X-Git-Url: https://git.saurik.com/apple/icu.git/blobdiff_plain/b75a7d8f3b4adbae880cab104ce2c6a50eee4db2..efa1e6592fb03ce23b15276b2b91d885a3ee7da5:/icuSources/configure.in diff --git a/icuSources/configure.in b/icuSources/configure.in index 01420999..2e337799 100644 --- a/icuSources/configure.in +++ b/icuSources/configure.in @@ -1,51 +1,163 @@ -dnl -*-m4-*- -dnl configure.in for ICU -dnl Copyright (c) 1999-2003, International Business Machines Corporation and -dnl others. All Rights Reserved. -dnl Stephen F. Booth, heavily modified by Yves and others +# -*-autoconf-*- +AC_COPYRIGHT([ Copyright (c) 1999-2012, International Business Machines Corporation and others. All Rights Reserved. ]) +# configure.in for ICU +# Stephen F. Booth, heavily modified by Yves and others -dnl $Id: configure.in,v 1.1.1.2 2003/07/03 18:13:30 avery Exp $ +# Check for autoconf version +AC_PREREQ(2.68) -dnl Process this file with autoconf to produce a configure script -AC_INIT(common/unicode/utypes.h) +# Process this file with autoconf to produce a configure script +AC_INIT([ICU]) + +#TODO: IcuBug:8502 +#AC_INIT([ICU], +# m4_esyscmd_s([sed -n 's/^[ ]*#[ ]*define[ ]*U_ICU_VERSION[ ]*"\([^"]*\)".*/\1/p' "./common/unicode/uvernum.h]"), +# [http://icu-project.org/bugs], +# [International Components for Unicode], +# [http://icu-project.org]) + +AC_CONFIG_SRCDIR([common/unicode/utypes.h]) -AC_CONFIG_HEADER(common/icucfg.h) PACKAGE="icu" AC_SUBST(PACKAGE) +# Use custom echo test for newline option +# Current autoconf (2.65) gives incorrect echo newline option +# for icu-config +# This may be removed later - mow (June 17, 2010) +ICU_ECHO_C= ICU_ECHO_N= ICU_ECHO_T= +case `/bin/sh -c "echo -n x"` in +-n*) + case `/bin/sh -c "echo 'x\c'"` in + *c*) ICU_ECHO_T=' ';; # ECHO_T is single tab character. + *) ICU_ECHO_C='\c';; + esac;; +*) + ICU_ECHO_N='-n';; +esac +AC_SUBST(ICU_ECHO_N) +AC_SUBST(ICU_ECHO_C) +AC_SUBST(ICU_ECHO_T) + AC_MSG_CHECKING(for ICU version numbers) -dnl Get the ICU version from uversion.h or other headers +# Get the ICU version from uversion.h or other headers geticuversion() { [sed -n 's/^[ ]*#[ ]*define[ ]*U_ICU_VERSION[ ]*"\([^"]*\)".*/\1/p' "$@"] } -VERSION=`geticuversion $srcdir/common/unicode/uversion.h` +getuversion() { + [sed -n 's/^[ ]*#[ ]*define[ ]*U_UNICODE_VERSION[ ]*"\([^"]*\)".*/\1/p' "$@"] +} +VERSION=`geticuversion $srcdir/common/unicode/uvernum.h` if test x"$VERSION" = x; then - VERSION=`geticuversion $srcdir/common/unicode/*.h` - if test x"$VERSION" = x; then - AC_MSG_ERROR([Cannot determine ICU version number from header files]) - fi + as_fn_error $? "Cannot determine ICU version number from uvernum.h header file" "$LINENO" 5 fi -dnl Compute a reasonable library version from the release version. This is -dnl very bad, but that's wanted... We want to make sure that the LIB_VERSION -dnl has at least a dot in it, so we'll add a .0 if needed. -[LIB_VERSION=`echo $VERSION | sed -e 's/\.//' -e 's/^\([^.]*\)$/\1.0/'`] + +#TODO: IcuBug:8502 +#if test "$VERSION" != "$PACKAGE_VERSION"; then +# AC_MSG_ERROR([configure was generated for $PACKAGE_VERSION but uvernum.h has $VERSION - please rerun autoconf]) +#fi + +UNICODE_VERSION=`getuversion $srcdir/common/unicode/uchar.h` +if test x"$UNICODE_VERSION" = x; then + AC_MSG_ERROR([Cannot determine Unicode version number from uchar.h header file]) +fi +# Compute a reasonable library version from the release version. This is +# very bad, but that's wanted... We want to make sure that the LIB_VERSION +# has at least a dot in it, so we'll add a .0 if needed. +#[LIB_VERSION=`echo $VERSION | sed -e 's/\.//' -e 's/^\([^.]*\)$/\1.0/'`] +LIB_VERSION=$VERSION LIB_VERSION_MAJOR=`echo $LIB_VERSION | sed 's/\..*//'` AC_SUBST(VERSION) AC_SUBST(LIB_VERSION) AC_SUBST(LIB_VERSION_MAJOR) -AC_MSG_RESULT([release $VERSION, library $LIB_VERSION]) +AC_MSG_RESULT([release $VERSION, library $LIB_VERSION, unicode version $UNICODE_VERSION]) -UNICODE_VERSION="4" AC_SUBST(UNICODE_VERSION) +# Determine the host system +AC_CANONICAL_HOST + AC_SUBST(CPPFLAGS) -dnl Checks for programs -AC_PROG_CC -AC_PROG_CXX +# This variable is needed on z/OS because the C++ compiler only recognizes .C +_CXX_CXXSUFFIX=cpp +export _CXX_CXXSUFFIX + +# Accumulate #defines +CONFIG_CPPFLAGS="" +UCONFIG_CPPFLAGS="" + +# Check whether to build debug libraries +AC_MSG_CHECKING([whether to build debug libraries]) +enabled=no +ENABLE_DEBUG=0 +AC_ARG_ENABLE(debug, + [ --enable-debug build debug libraries and enable the U_DEBUG define [default=no]], + [ case "${enableval}" in + yes|"") enabled=yes; ENABLE_DEBUG=1; CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DU_DEBUG=1" ;; + *) ;; + esac], +) +AC_MSG_RESULT($enabled) +AC_SUBST(ENABLE_DEBUG) + +# Check whether to build release libraries +AC_MSG_CHECKING([whether to build release libraries]) +enabled=yes +ENABLE_RELEASE=1 +AC_ARG_ENABLE(release, + [ --enable-release build release libraries [default=yes]], + [ case "${enableval}" in + no) enabled=no; ENABLE_RELEASE=0 ;; + *) ;; + esac], +) +AC_MSG_RESULT($enabled) +AC_SUBST(ENABLE_RELEASE) + +# Don't use the default C/CXXFLags +: ${CFLAGS=""} +: ${CXXFLAGS=""} + +# Checks for compilers +AC_PROG_CC([clang gcc cc c99 c89 xlc_r xlc cl.exe icc]) +# Make sure that we try clang++ first, which provides C++11 support. +# The g++ compiler is less likely to support C++11. +AC_PROG_CXX([clang++ g++ c++ gpp xlC_r xlC aCC CC cxx cc++ cl.exe icc FCC KCC RCC]) + +# Ensure that if CXXFLAGS/CFLAGS were not set when calling configure, set it correctly based on (enable/disable) debug or release option +# The release mode use is the default one for autoconf +if test "$GCC" = yes; then + if test "$CFLAGS" = ""; then + if test "$ENABLE_DEBUG" = 1; then + CFLAGS=-g + fi + if test "$ENABLE_RELEASE" = 1; then + CFLAGS="$CFLAGS -O2" + fi + fi + if test "$CXXFLAGS" = ""; then + if test "$ENABLE_DEBUG" = 1; then + CXXFLAGS=-g + fi + if test "$ENABLE_RELEASE" = 1; then + CXXFLAGS="$CXXFLAGS -O2" + fi + fi +fi + +AC_PROG_CPP + AC_PROG_INSTALL +AC_SUBST(cross_compiling) + +dnl use the pld hack to get ac_fn_cxx_try_link defined globally and not local +AC_LANG_PUSH([C++]) +AC_LINK_IFELSE([AC_LANG_PROGRAM()]) +AC_LANG_POP([C++]) + # make sure install is relative to srcdir - if a script if test "$srcdir" = "."; then # If srcdir isn't just ., then (srcdir) is already prepended. @@ -54,38 +166,70 @@ if test "$srcdir" = "."; then fi fi -AC_CHECK_PROG(AUTOCONF, autoconf, autoconf, true) -AC_CHECK_PROG(STRIP, strip, strip, true) +#AC_CHECK_PROG(AUTOCONF, autoconf, autoconf, true) +#AC_CHECK_PROG(STRIP, strip, strip, true) -dnl Check for the platform make +# Check for the platform make AC_PATH_PROGS(U_MAKE, gmake gnumake, make) AC_SUBST(U_MAKE) -dnl Check for doxygen to generate documentation + +AC_ARG_WITH(cross-build, + [ --with-cross-build=dir specify an absolute path to the build directory of an ICU built for the current platform [default=no cross dir]], + [cross_buildroot="${withval}"], + [cross_buildroot=""]) + +if test "X$cross_buildroot" = "X"; then + if test "$cross_compiling" = "yes"; then + AC_MSG_ERROR([Error! Cross compiling but no --with-cross-build option specified - please supply the path to an executable ICU's build root]) + dnl ' + fi +else + if test -f "${cross_buildroot}/config/icucross.mk"; then + AC_MSG_RESULT([Using cross buildroot: $cross_buildroot]) + else + if test -d "${cross_buildroot}"; then + AC_MSG_ERROR([${cross_buildroot}/config/icucross.mk not found. Please build ICU in ${cross_buildroot} first.]) + else + AC_MSG_ERROR([No such directory ${cross_buildroot} supplied as the argument to --with-cross-build. Use an absolute path.]) + fi + fi +fi +AC_SUBST(cross_buildroot) + +# Check for doxygen to generate documentation AC_PATH_PROG(DOXYGEN,doxygen,,$PATH:/usr/local/bin:/usr/bin) -dnl Determine the host system and Makefile fragment -AC_CANONICAL_HOST -AC_EXEEXT +# Check that the linker is usable +ICU_PROG_LINK + +# Determine the executable suffix +# We don't use AC_EXEEXT because some compilers output separate debugging +# files, which confuses the AC_EXEEXT macro. +AC_MSG_CHECKING(checking for executable suffix) +case "${host}" in + *-*-cygwin*|*-*-mingw*) EXEEXT=.exe ;; + *) EXEEXT="" ;; +esac +ac_exeext=$EXEEXT +AC_MSG_RESULT($EXEEXT) +AC_SUBST(EXEEXT) -dnl Determine how strict we want to be when compiling +# Determine how strict we want to be when compiling AC_CHECK_STRICT_COMPILE -dnl Check if we can build and use 64-bit libraries +# Check if we can build and use 64-bit libraries AC_CHECK_64BIT_LIBS AC_SUBST(ARFLAGS) AC_SUBST(COMPILE_LINK_ENVVAR) +# Determine the Makefile fragment ICU_CHECK_MH_FRAG -hpuxcma=false - -dnl Checks for libraries and other host specific stuff -dnl On HP/UX, don't link to -lm from a shared lib because it isn't -dnl PIC (at least on 10.2) +# Checks for libraries and other host specific stuff +# On HP/UX, don't link to -lm from a shared lib because it isn't +# PIC (at least on 10.2) case "${host}" in - *-*-hpux10*) hpuxcma=true - AC_CHECK_LIB(m, floor, LIB_M="-lm") ;; *-*-hpux*) AC_CHECK_LIB(m, floor, LIB_M="-lm") ;; *) AC_CHECK_LIB(m, floor) @@ -93,35 +237,11 @@ case "${host}" in esac AC_SUBST(LIB_M) -dnl Enable/disable hpuxcma - -if test $hpuxcma = false; then - AC_ARG_ENABLE(hpuxcma, - [ --enable-hpuxcma build ICU with HPUX CMA threads (only ver>=11) [default=no]], - [case "${enableval}" in - yes) hpuxcma=true;; - no) hpuxcma=false;; - *) AC_MSG_ERROR(bad value ${enableval} for --enable-hpuxcma) ;; - esac], - ) -fi - -dnl Note, we set the conditional outside of IF for non hpux plats -ICU_CONDITIONAL(HPUX_CMA, test "$hpuxcma" = true) - -dnl Should this be a nested CASE? -if test $hpuxcma = true; then - case "${host}" in - *-*-hpux*) hpuxcma=true ;; - *) AC_MSG_ERROR(--enable-hpuxcma is not valid on this platform ${host}) ;; - esac -fi - -dnl Check whether to build shared libraries +# Check whether to build shared libraries AC_MSG_CHECKING([whether to build shared libraries]) enabled=no AC_ARG_ENABLE(shared, - [ --enable-shared[=PKGS] build shared libraries [default=yes]], + [ --enable-shared build shared libraries [default=yes]], [ case "${enableval}" in yes|"") enabled=yes; ENABLE_SHARED=YES ;; no);; @@ -132,11 +252,11 @@ AC_ARG_ENABLE(shared, AC_MSG_RESULT($enabled) AC_SUBST(ENABLE_SHARED) -dnl Check whether to build static libraries +# Check whether to build static libraries AC_MSG_CHECKING([whether to build static libraries]) enabled=no AC_ARG_ENABLE(static, - [ --enable-static[=PKGS] build static libraries [default=no]], + [ --enable-static build static libraries [default=no]], [ case "${enableval}" in yes|"") enabled=yes; ENABLE_STATIC=YES ;; no) ;; @@ -146,8 +266,97 @@ AC_ARG_ENABLE(static, AC_MSG_RESULT($enabled) AC_SUBST(ENABLE_STATIC) +# When building release static library, there might be some optimization flags we can use +if test "$ENABLE_STATIC" = "YES"; then + if test "$ENABLE_SHARED" != "YES"; then + if test "$ENABLE_RELEASE" = 1; then + AC_MSG_CHECKING([whether we can use static library optimization option]) + CHECK_STATIC_OPT_FLAG=no + + OLD_CPPFLAGS="${CPPFLAGS}" + OLD_LDFLAGS="${LDFLAGS}" + + case "${host}" in + *-linux*|i*86-*-*bsd*|i*86-pc-gnu) + if test "$GCC" = yes; then + CPPFLAGS="${CPPFLAGS} -ffunction-sections -fdata-sections" + LDFLAGS="${LDFLAGS} -Wl,--gc-sections" + fi + ;; + *) + ;; + esac + + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [CHECK_STATIC_OPT_FLAG=yes], [CHECK_STATIC_OPT_FLAG=no]) + AC_MSG_RESULT($CHECK_STATIC_OPT_FLAG) + if test "$CHECK_STATIC_OPT_FLAG" = no; then + CPPFLAGS="${OLD_CPPFLAGS}" + LDFLAGS="${OLD_LDFLAGS}" + fi + fi + fi +fi + + +# Check whether to enable auto cleanup of libraries +AC_MSG_CHECKING([whether to enable auto cleanup of libraries]) +enabled=no +UCLN_NO_AUTO_CLEANUP=1 +AC_ARG_ENABLE(auto-cleanup, + [ --enable-auto-cleanup enable auto cleanup of libraries [default=no]], + [ case "${enableval}" in + yes) enabled=yes; + CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DUCLN_NO_AUTO_CLEANUP=0"; + UCLN_NO_AUTO_CLEANUP=0 + ;; + *) ;; + esac], +) +AC_MSG_RESULT($enabled) +AC_SUBST(UCLN_NO_AUTO_CLEANUP) + +# MSVC floating-point option +MSVC_RELEASE_FLAG="" +if test $enabled = yes +then + if test $icu_cv_host_frag = mh-cygwin-msvc + then + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + #if defined _MSC_VER && _MSC_VER >= 1400 + #else + Microsoft Visual C++ < 2005 + #endif + ]], [[]])],[MSVC_RELEASE_FLAG="/fp:precise"],[MSVC_RELEASE_FLAG="/Op"]) + + CFLAGS="${CFLAGS} ${MSVC_RELEASE_FLAG}" + CXXFLAGS="${CXXFLAGS} ${MSVC_RELEASE_FLAG}" + fi +fi + +# Check whether to enabled draft APIs +AC_MSG_CHECKING([whether to enable draft APIs]) +enabled=yes +U_DEFAULT_SHOW_DRAFT=1 +AC_ARG_ENABLE(draft, + [ --enable-draft enable draft APIs (and internal APIs) [default=yes]], + [ case "${enableval}" in + no) enabled=no; U_DEFAULT_SHOW_DRAFT=0; + CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DU_DEFAULT_SHOW_DRAFT=0" + ;; + *) ;; + esac], +) +AC_MSG_RESULT($enabled) +# Make sure that we can use draft API in ICU. +if test "$U_DEFAULT_SHOW_DRAFT" = 0; then + CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DU_SHOW_DRAFT_API" +fi +AC_SUBST(U_DEFAULT_SHOW_DRAFT) + AC_PROG_RANLIB -AC_PATH_PROG(AR,ar,[echo archiver ar not found re-run configure ; false],$PATH:/bin:/usr/bin:/usr/ccs/bin) + +# look for 'ar' the proper way +AC_CHECK_TOOL(AR, ar, false) AC_MSG_CHECKING([whether to enable renaming of symbols]) enabled=yes @@ -156,14 +365,71 @@ AC_ARG_ENABLE(renaming, [ --enable-renaming add a version suffix to symbols [default=yes]], [ case "${enableval}" in yes|"") enabled=yes ;; - no) enabled=no; U_DISABLE_RENAMING=1 ;; + no) enabled=no; U_DISABLE_RENAMING=1; + UCONFIG_CPPFLAGS="${UCONFIG_CPPFLAGS} -DU_DISABLE_RENAMING=1" + ;; *) ;; esac], ) AC_MSG_RESULT($enabled) AC_SUBST(U_DISABLE_RENAMING) -dnl Check whether to use the evil rpath or not +AC_MSG_CHECKING([whether to enable function and data tracing]) +enabled=no +U_ENABLE_TRACING=0 +AC_ARG_ENABLE(tracing, + [ --enable-tracing enable function and data tracing [default=no]], + [ case "${enableval}" in + yes|"") enabled=yes; + CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DU_ENABLE_TRACING=1"; + U_ENABLE_TRACING=1 ;; + no) enabled=no; U_ENABLE_TRACING=0 ;; + *) ;; + esac], +) +AC_MSG_RESULT($enabled) +AC_SUBST(U_ENABLE_TRACING) + + +U_ENABLE_DYLOAD=1 +enable=yes +AC_MSG_CHECKING([whether to enable dynamic loading of plugins]) +AC_ARG_ENABLE(dyload, + [ --disable-dyload disable dynamic loading [default=no]], + [ case "${enableval}" in + yes|"") + U_ENABLE_DYLOAD=1 + enable=yes + ;; + no) + U_ENABLE_DYLOAD=0; + enable=no; + CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DU_ENABLE_DYLOAD=0"; + ;; + *) ;; + esac], +) +AC_MSG_RESULT($enable) +AC_SUBST(U_ENABLE_DYLOAD) + +if test "$enable" = "yes"; then + AC_CHECK_HEADERS([dlfcn.h]) + #AC_MSG_RESULT($enabled) + AC_SEARCH_LIBS([dlopen], [dl]) + AC_CHECK_FUNCS([dlopen]) + + if test "x$ac_cv_func_dlopen" != xyes; then + CONFIG_CPPFLAGS="$CONFIG_CPPFLAGS -DHAVE_DLOPEN=0" + fi +fi + +# Check for miscellanous functions. +# So, use for putil / tools only. +# Note that this will generate HAVE_GETTIMEOFDAY, not U_HAVE_GETTIMEOFDAY +AC_CHECK_FUNCS([gettimeofday]) + + +# Check whether to use the evil rpath or not AC_ARG_ENABLE(rpath, [ --enable-rpath use rpath when linking [default is only if necessary]], [ case "${enableval}" in @@ -176,116 +442,172 @@ AC_ARG_ENABLE(rpath, AC_SUBST(ENABLE_RPATH) -dnl set up U_INLINE. -dnl Copy the definition of AC_C_INLINE, with slight mods. -dnl -AC_CACHE_CHECK([for definition of U_INLINE for C], ac_cv_c_inline, -[ac_cv_c_inline=no -for ac_kw in inline __inline__ __inline; do - AC_TRY_COMPILE(, [} $ac_kw foo() {], [ac_cv_c_inline=$ac_kw; break]) - done - ]) -case "$ac_cv_c_inline" in - yes) U_INLINE= "inline" ;; - no ) U_INLINE= ;; - *) U_INLINE=$ac_cv_c_inline ;; -esac -AC_SUBST(U_INLINE) -threads=true +AC_LANG_PUSH([C++]) +AC_MSG_CHECKING([[if we have a C++ compiler]]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[cxx_okay=yes],[cxx_okay=no]) +if test $cxx_okay = yes +then + AC_MSG_RESULT([[Good]]) +else + AC_MSG_RESULT([[no]]) + AC_MSG_ERROR([[C++ compiler $CXX does not work or no compiler found]]) +fi -dnl Enable/disable threads -AC_ARG_ENABLE(threads, - [ --enable-threads build ICU with threads [default=yes]], - [case "${enableval}" in - yes) threads=true ;; - no) threads=false ;; - *) AC_MSG_ERROR(bad value ${enableval} for --enable-threads) ;; - esac], - threads=true) -ICU_CONDITIONAL(THREADS, test "$threads" = true) +AC_MSG_CHECKING([[if #include works]]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[]])], [ac_cv_header_stdstring=yes], [ac_cv_header_stdstring=no]) +AC_MSG_RESULT($ac_cv_header_stdstring) +if test $ac_cv_header_stdstring = yes +then + U_HAVE_STD_STRING=1 +else + U_HAVE_STD_STRING=0 + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_STD_STRING=0" +fi +AC_SUBST(U_HAVE_STD_STRING) +AC_LANG_POP([C++]) -ICU_USE_THREADS=0 +# Always build ICU with multi-threading support. +threads=true +ICU_USE_THREADS=1 +OLD_LIBS=${LIBS} if test $threads = true; then - dnl Test for HPUX cma threads first.. - if test $hpuxcma = true; then - dnl HPUX cma case - AC_CHECK_LIB(cma, pthread_create) - if test $ac_cv_lib_cma_pthread_create = yes; then - ICU_USE_THREADS=1 - fi - else - dnl For Compaq Tru64 (OSF1), we must look for pthread_attr_init - dnl and must do this before seaching for pthread_mutex_destroy, or - dnl we will pick up libpthreads.so not libpthread.so - dnl If this fails, then we must test for HPUX specials, before - dnl moving on to a more generic test + # For Compaq Tru64 (OSF1), we must look for pthread_attr_init + # and must do this before seaching for pthread_mutex_destroy, or + # we will pick up libpthreads.so not libpthread.so + # If this fails, then we must test for HPUX specials, before + # moving on to a more generic test AC_CHECK_LIB(pthread, pthread_attr_init) if test $ac_cv_lib_pthread_pthread_attr_init = yes; then - ICU_USE_THREADS=1 + ICU_USE_THREADS=1 else - dnl Locate the right library for POSIX threads. We look for the - dnl symbols in the libraries first, because on Solaris libc provides - dnl pthread_create but libpthread has the real code :( - dnl AIX uses libpthreads instead of libpthread, and HP/UX uses libcma - dnl (but that was checked above). - dnl FreeBSD users may need libpthread if they do not have libc_r. + # Locate the right library for POSIX threads. We look for the + # symbols in the libraries first, because on Solaris libc provides + # pthread_create but libpthread has the real code :( + # AIX uses libpthreads instead of libpthread, and HP/UX uses libpthread + # FreeBSD users may need libpthread if they do not have libc_r. - AC_SEARCH_LIBS_FIRST(pthread_mutex_destroy, pthread pthreads c_r cma) + AC_SEARCH_LIBS_FIRST(pthread_mutex_destroy, pthread pthreads c_r ) - if test "$ac_cv_search_pthread_mutex_destroy" != no; then - ICU_USE_THREADS=1 - else - dnl For HP 11 - AC_CHECK_LIB(pthread, pthread_mutex_init) - if test $ac_cv_lib_pthread_pthread_mutex_init = yes; then + if test "$ac_cv_search_pthread_mutex_destroy" != no; then ICU_USE_THREADS=1 + else + # For HP 11 + AC_CHECK_LIB(pthread, pthread_mutex_init) + if test $ac_cv_lib_pthread_pthread_mutex_init = yes; then + ICU_USE_THREADS=1 + fi fi - fi - AC_CHECK_FUNC(pthread_mutex_lock) + AC_CHECK_FUNC(pthread_mutex_lock) - if test $ac_cv_func_pthread_mutex_lock = yes; then - ICU_USE_THREADS=1 - fi + if test $ac_cv_func_pthread_mutex_lock = yes; then + ICU_USE_THREADS=1 + fi fi - fi + # Check to see if we are using CygWin with MSVC + case "${host}" in + *-pc-cygwin*|*-pc-mingw*) + # For gcc, the thread options are set by mh-mingw/mh-cygwin + # For msvc, the thread options are set by runConfigureICU + ICU_USE_THREADS=1 + ;; + *-*-hpux*) + # Add -mt because it does several nice things on newer compilers. + case "${icu_cv_host_frag}" in + mh-hpux-acc) + OLD_CXXFLAGS="${CXXFLAGS}" + CXXFLAGS="${CXXFLAGS} -mt" + if test x"`${CXX} ${CXXFLAGS} 2>&1`" != x""; then + CXXFLAGS="${OLD_CXXFLAGS}" + fi + ;; + esac + ;; + *-*-solaris*) + case "${icu_cv_host_frag}" in + mh-solaris) + LIBS="${LIBS} -mt" + ;; + esac + ;; + esac fi -AC_SUBST(ICU_USE_THREADS) +AC_ARG_ENABLE(weak-threads, + [ --enable-weak-threads weakly reference the threading library [default=no]], + [case "${enableval}" in + yes) + LIB_THREAD="${LIBS%${OLD_LIBS}}" + LIBS=${OLD_LIBS} + ;; + no) ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-weak-threads) ;; + esac]) +AC_SUBST(LIB_THREAD) -dnl Check for mmap() +# Check for mmap() # The AC_FUNC_MMAP macro doesn't work properly. It seems to be too specific. # Do this check instead. HAVE_MMAP=0 AC_MSG_CHECKING([for mmap]) AC_CACHE_VAL(ac_cv_func_mmap_ok, - [AC_TRY_LINK( - changequote(<<, >>)dnl - << -#include + [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include #include #include -#include - >>, - changequote([, ])dnl - [mmap((void *)0, 0, PROT_READ, 0, 0, 0);], - ac_cv_func_mmap_ok=yes, - ac_cv_func_mmap_ok=no)] ) +#include ], [mmap((void *)0, 0, PROT_READ, 0, 0, 0);])],[ac_cv_func_mmap_ok=yes],[ac_cv_func_mmap_ok=no])] ) AC_MSG_RESULT($ac_cv_func_mmap_ok) if test $ac_cv_func_mmap_ok = yes then HAVE_MMAP=1 +else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_MMAP=0" fi AC_SUBST(HAVE_MMAP) -dnl Checks for header files +AC_MSG_CHECKING([for genccode assembly]) + +# Check to see if genccode can generate simple assembly. +GENCCODE_ASSEMBLY= +case "${host}" in +*-linux*|*-kfreebsd*-gnu*|i*86-*-*bsd*|i*86-pc-gnu) + if test "$GCC" = yes; then + # We're using gcc, and the simple -a gcc command line works for genccode + GENCCODE_ASSEMBLY="-a gcc" + fi ;; +i*86-*-solaris*) + if test "$GCC" = yes; then + # When using gcc, look if we're also using GNU as. + # When using GNU as, the simple -a gcc command line works for genccode. + asv=`"${CC}" -print-prog-name=as 2>/dev/null` + asv=`"${asv}" --version 2>/dev/null` + case "X${asv}" in + X*GNU*) GENCCODE_ASSEMBLY="-a gcc" ;; + X*) GENCCODE_ASSEMBLY="-a sun-x86" ;; + esac + unset asv + else + GENCCODE_ASSEMBLY="-a sun-x86" + fi ;; +sparc-*-solaris*) + GENCCODE_ASSEMBLY="-a sun" + ;; +ia64-*-hpux*) + GENCCODE_ASSEMBLY="-a aCC-ia64" + ;; +esac +AC_SUBST(GENCCODE_ASSEMBLY) + +AC_MSG_RESULT($GENCCODE_ASSEMBLY) + +# Checks for header files AC_CHECK_HEADERS(inttypes.h) if test $ac_cv_header_inttypes_h = no; then U_HAVE_INTTYPES_H=0 + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_INTTYPES_H=0" else U_HAVE_INTTYPES_H=1 fi @@ -293,61 +615,23 @@ if test "$CC" = ccc; then AC_MSG_RESULT("C compiler set to CCC ${CC}" ) case "${host}" in alpha*-*-*) U_HAVE_INTTYPES_H=0; + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_INTTYPES_H=0" esac fi AC_SUBST(U_HAVE_INTTYPES_H) -AC_ARG_WITH(iostream, - [ --with-iostream=version specify the version of iostream to use (none, old, std, auto) [default=auto]], - [case "${withval}" in - none) streams=none ;; - old) streams=198506 ;; - std) streams=199711 ;; - auto) streams= ;; - *) AC_MSG_ERROR(bad value ${withval} for --with-iostream) ;; - esac], - [streams=]) - -U_IOSTREAM_SOURCE=0 -if test x$streams != xnone -then - AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_MSG_CHECKING([iostream usability]) - AC_TRY_COMPILE([#include ],[], - [ac_cv_header_iostream=yes],[ac_cv_header_iostream=no]) - AC_MSG_RESULT($ac_cv_header_iostream) - if test $ac_cv_header_iostream = yes - then - U_IOSTREAM_SOURCE=199711 - else - AC_CHECK_HEADER(iostream.h) - if test $ac_cv_header_iostream_h = yes; then - AC_MSG_CHECKING([whether ostream is really defined]) - AC_CACHE_VAL(ac_cv_iostream_ok, - AC_TRY_LINK([#include ],[ostream &testout = cout; testout << "test" << endl;],ac_cv_iostream_ok=yes,ac_cv_iostream_ok=no)) - AC_MSG_RESULT($ac_cv_iostream_ok) - if test $ac_cv_iostream_ok = yes - then - U_IOSTREAM_SOURCE=198506 - fi - fi - fi - if test x$streams != x - then - if test $U_IOSTREAM_SOURCE -ge $streams - then - U_IOSTREAM_SOURCE=$streams - else - AC_MSG_ERROR(${withval} iostream is not available) - fi - fi +AC_CHECK_HEADERS(dirent.h) +if test $ac_cv_header_dirent_h = no; then + U_HAVE_DIRENT_H=0 + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_DIRENT_H=0" +else + U_HAVE_DIRENT_H=1 fi -AC_SUBST(U_IOSTREAM_SOURCE) -AC_LANG_RESTORE -dnl Check for endianness +AC_SUBST(U_HAVE_DIRENT_H) + +# Check for endianness AC_C_BIGENDIAN() if test $ac_cv_c_bigendian = no; then U_IS_BIG_ENDIAN=0 @@ -358,73 +642,69 @@ U_ENDIAN_CHAR="b" fi AC_SUBST(U_IS_BIG_ENDIAN) -dnl Do various POSIX related checks +# Do various POSIX related checks U_HAVE_NL_LANGINFO_CODESET=0 U_NL_LANGINFO_CODESET=-1 AC_CHECK_FUNC(nl_langinfo,[U_HAVE_NL_LANGINFO=1],[U_HAVE_NL_LANGINFO=0]) -AC_SUBST(U_HAVE_NL_LANGINFO) +dnl AC_SUBST(U_HAVE_NL_LANGINFO) if test $U_HAVE_NL_LANGINFO -eq 1; then AC_CACHE_CHECK([for nl_langinfo's argument to obtain the codeset], ac_cv_nl_langinfo_codeset, [ac_cv_nl_langinfo_codeset="unknown" for a in CODESET _NL_CTYPE_CODESET_NAME; do - AC_TRY_LINK([#include ],[nl_langinfo($a);],[ac_cv_nl_langinfo_codeset="$a"; break])] + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[nl_langinfo($a);]])],[ac_cv_nl_langinfo_codeset="$a"; break],[])] done) if test x$ac_cv_nl_langinfo_codeset != xunknown then U_HAVE_NL_LANGINFO_CODESET=1 U_NL_LANGINFO_CODESET=$ac_cv_nl_langinfo_codeset + if test "x${ac_cv_nl_langinfo_codeset}" != "xCODESET" + then + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DNL_LANGINFO_CODESET=${ac_cv_nl_langinfo_codeset}" + fi + else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_NL_LANGINFO_CODESET=0" fi fi AC_SUBST(U_HAVE_NL_LANGINFO_CODESET) AC_SUBST(U_NL_LANGINFO_CODESET) -dnl Namespace support checks -AC_LANG_CPLUSPLUS +# Namespace support checks +AC_LANG(C++) AC_MSG_CHECKING([for namespace support]) AC_CACHE_VAL(ac_cv_namespace_ok, - [AC_TRY_LINK( - changequote(<<, >>)dnl - <>, - changequote([, ])dnl - [f();], ac_cv_namespace_ok=yes, ac_cv_namespace_ok=no)] ) + ], [f();])],[ac_cv_namespace_ok=yes],[ac_cv_namespace_ok=no])] ) AC_MSG_RESULT($ac_cv_namespace_ok) -U_HAVE_NAMESPACE=1 if test $ac_cv_namespace_ok = no then - U_HAVE_NAMESPACE=0 + AC_MSG_ERROR(Namespace support is required to build ICU.) fi -AC_SUBST(U_HAVE_NAMESPACE) AC_MSG_CHECKING([for properly overriding new and delete]) U_OVERRIDE_CXX_ALLOCATION=0 U_HAVE_PLACEMENT_NEW=0 AC_CACHE_VAL(ac_cv_override_cxx_allocation_ok, - [AC_TRY_LINK( - changequote(<<, >>)dnl - <<#include - class UObject { + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include + class UMemory { + public: void *operator new(size_t size) {return malloc(size);} void *operator new[](size_t size) {return malloc(size);} void operator delete(void *p) {free(p);} void operator delete[](void *p) {free(p);} }; - >>, - changequote([, ])dnl - [], ac_cv_override_cxx_allocation_ok=yes, ac_cv_override_cxx_allocation_ok=no)] ) + ]], [])],[ac_cv_override_cxx_allocation_ok=yes],[ac_cv_override_cxx_allocation_ok=no])] ) AC_MSG_RESULT($ac_cv_override_cxx_allocation_ok) if test $ac_cv_override_cxx_allocation_ok = yes then U_OVERRIDE_CXX_ALLOCATION=1 AC_MSG_CHECKING([for placement new and delete]) AC_CACHE_VAL(ac_cv_override_placement_new_ok, - [AC_TRY_LINK( - changequote(<<, >>)dnl - <<#include - class UObject { + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include + class UMemory { + public: void *operator new(size_t size) {return malloc(size);} void *operator new[](size_t size) {return malloc(size);} void operator delete(void *p) {free(p);} @@ -432,115 +712,112 @@ then void * operator new(size_t, void *ptr) { return ptr; } void operator delete(void *, void *) {} }; - >>, - changequote([, ])dnl - [], ac_cv_override_placement_new_ok=yes, ac_cv_override_placement_new_ok=no)] ) + ]], [])],[ac_cv_override_placement_new_ok=yes],[ac_cv_override_placement_new_ok=no])] ) AC_MSG_RESULT($ac_cv_override_placement_new_ok) if test $ac_cv_override_placement_new_ok = yes then U_HAVE_PLACEMENT_NEW=1 + else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_PLACEMENT_NEW=0" fi +else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_OVERRIDE_CXX_ALLOCATION=0" fi AC_SUBST(U_OVERRIDE_CXX_ALLOCATION) AC_SUBST(U_HAVE_PLACEMENT_NEW) -AC_LANG_C +AC_LANG(C) AC_CHECK_FUNC(popen) if test x$ac_cv_func_popen = xyes then U_HAVE_POPEN=1 else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_POPEN=0" U_HAVE_POPEN=0 fi AC_SUBST(U_HAVE_POPEN) AC_CHECK_FUNC(tzset) +U_HAVE_TZSET=0 if test x$ac_cv_func_tzset = xyes then U_TZSET=tzset + U_HAVE_TZSET=1 else AC_CHECK_FUNC(_tzset) if test x$ac_cv_func__tzset = xyes then - U_TZSET=_tzset + U_TZSET=_tzset + U_HAVE_TZSET=1 + else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_TZSET=0" fi fi +AC_SUBST(U_HAVE_TZSET) AC_SUBST(U_TZSET) + +U_HAVE_TZNAME=0 AC_CACHE_CHECK(for tzname,ac_cv_var_tzname, -[AC_TRY_LINK( -changequote(<<, >>)dnl -<<#ifndef __USE_POSIX +[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#ifndef __USE_POSIX #define __USE_POSIX #endif +#include #include #ifndef tzname /* For SGI. */ extern char *tzname[]; /* RS6000 and others reject char **tzname. */ -#endif>>, -changequote([, ])dnl -[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)]) +#endif]], [atoi(*tzname);])],[ac_cv_var_tzname=yes],[ac_cv_var_tzname=no])]) if test $ac_cv_var_tzname = yes; then U_TZNAME=tzname + U_HAVE_TZNAME=1 else AC_CACHE_CHECK(for _tzname,ac_cv_var__tzname, - [AC_TRY_LINK( - changequote(<<, >>)dnl - <<#include - extern char *_tzname[]; - >>, - changequote([, ])dnl - [atoi(*_tzname);], ac_cv_var__tzname=yes, ac_cv_var__tzname=no)]) + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include + #include + extern char *_tzname[];]], [atoi(*_tzname);])],[ac_cv_var__tzname=yes],[ac_cv_var__tzname=no])]) if test $ac_cv_var__tzname = yes; then U_TZNAME=_tzname + U_HAVE_TZNAME=1 + else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_TZNAME=0" fi fi +AC_SUBST(U_HAVE_TZNAME) AC_SUBST(U_TZNAME) AC_CACHE_CHECK(for timezone,ac_cv_var_timezone, -[AC_TRY_LINK( -changequote(<<, >>)dnl -<<#ifndef __USE_POSIX +[AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifndef __USE_POSIX #define __USE_POSIX #endif #ifndef __USE_XOPEN #define __USE_XOPEN #endif #include ->>, -changequote([, ])dnl -[timezone = 1;], ac_cv_var_timezone=yes, ac_cv_var_timezone=no)]) +], [[timezone = 1;]])],[ac_cv_var_timezone=yes],[ac_cv_var_timezone=no])]) U_HAVE_TIMEZONE=0 if test $ac_cv_var_timezone = yes; then U_TIMEZONE=timezone U_HAVE_TIMEZONE=1 else AC_CACHE_CHECK(for __timezone,ac_cv_var___timezone, - [AC_TRY_LINK( - changequote(<<, >>)dnl - <<#include - >>, - changequote([, ])dnl - [__timezone = 1;], ac_cv_var___timezone=yes, ac_cv_var___timezone=no)]) + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[__timezone = 1;]])],[ac_cv_var___timezone=yes],[ac_cv_var___timezone=no])]) if test $ac_cv_var___timezone = yes; then U_TIMEZONE=__timezone U_HAVE_TIMEZONE=1 else AC_CACHE_CHECK(for _timezone,ac_cv_var__timezone, - [AC_TRY_LINK( - changequote(<<, >>)dnl - <<#include - >>, - changequote([, ])dnl - [_timezone = 1;], ac_cv_var__timezone=yes, ac_cv_var__timezone=no)]) + [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[_timezone = 1;]])],[ac_cv_var__timezone=yes],[ac_cv_var__timezone=no])]) if test $ac_cv_var__timezone = yes; then U_TIMEZONE=_timezone U_HAVE_TIMEZONE=1 + else + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_TIMEZONE=0" fi fi fi AC_SUBST(U_HAVE_TIMEZONE) AC_SUBST(U_TIMEZONE) -dnl Checks for typedefs +# Checks for typedefs AC_CHECK_TYPE(int8_t,signed char) AC_CHECK_TYPE(uint8_t,unsigned char) AC_CHECK_TYPE(int16_t,signed short) @@ -551,108 +828,170 @@ AC_CHECK_TYPE(int64_t,signed long long) AC_CHECK_TYPE(uint64_t,unsigned long long) if test $ac_cv_type_int8_t = no; then -HAVE_INT8_T=0 -else -HAVE_INT8_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_INT8_T=0" fi -AC_SUBST(HAVE_INT8_T) if test $ac_cv_type_uint8_t = no; then -HAVE_UINT8_T=0 -else -HAVE_UINT8_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_UINT8_T=0" fi -AC_SUBST(HAVE_UINT8_T) if test $ac_cv_type_int16_t = no; then -HAVE_INT16_T=0 -else -HAVE_INT16_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_INT16_T=0" fi -AC_SUBST(HAVE_INT16_T) if test $ac_cv_type_uint16_t = no; then -HAVE_UINT16_T=0 -else -HAVE_UINT16_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_UINT16_T=0" fi -AC_SUBST(HAVE_UINT16_T) if test $ac_cv_type_int32_t = no; then -HAVE_INT32_T=0 -else -HAVE_INT32_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_INT32_T=0" fi -AC_SUBST(HAVE_INT32_T) if test $ac_cv_type_uint32_t = no; then -HAVE_UINT32_T=0 -else -HAVE_UINT32_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_UINT32_T=0" fi -AC_SUBST(HAVE_UINT32_T) if test $ac_cv_type_int64_t = no; then -HAVE_INT64_T=0 -else -HAVE_INT64_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_INT64_T=0" fi -AC_SUBST(HAVE_INT64_T) if test $ac_cv_type_uint64_t = no; then -HAVE_UINT64_T=0 -else -HAVE_UINT64_T=1 +CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_UINT64_T=0" fi -AC_SUBST(HAVE_UINT64_T) -dnl Do various wchar_t related checks +# Do various wchar_t related checks AC_CHECK_HEADER(wchar.h) if test "$ac_cv_header_wchar_h" = no then U_HAVE_WCHAR_H=0 U_HAVE_WCSCPY=0 + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_WCHAR_H=0 -DU_HAVE_WCSCPY=0" else - AC_DEFINE(HAVE_WCHAR_H) + AC_DEFINE([HAVE_WCHAR_H], [1], [wchar.h was found.]) U_HAVE_WCHAR_H=1 - dnl Some broken systems have wchar.h but not some of its functions... + # Some broken systems have wchar.h but not some of its functions... AC_SEARCH_LIBS(wcscpy, wcs w) if test "$ac_cv_search_wcscpy" != no; then U_HAVE_WCSCPY=1 else U_HAVE_WCSCPY=0 + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_HAVE_WCSCPY=0" fi fi AC_SUBST(U_HAVE_WCHAR_H) AC_SUBST(U_HAVE_WCSCPY) -ac_default_sizeof_wchar_t=4 -AC_DO_CHECK_SIZEOF(wchar_t,$ac_default_sizeof_wchar_t,[ +AC_CHECK_SIZEOF([wchar_t], 0, [ #if STDC_HEADERS #include #endif +#include #if HAVE_WCHAR_H #include #include #endif]) -dnl We could set ac_cv_sizeof_wchar_t to the default if the check returned -dnl 0 (unknown) but we'd rather do it in the headers, so we know we had no -dnl clue at configure time. U_SIZEOF_WCHAR_T=$ac_cv_sizeof_wchar_t +# We do this check to verify that everything is okay. if test $U_SIZEOF_WCHAR_T = 0; then - if test $U_HAVE_WCHAR_H=1; then - AC_MSG_ERROR(There is wchar.h but the size of wchar_t is 0) - fi + if test $U_HAVE_WCHAR_H=1; then + AC_MSG_ERROR(There is wchar.h but the size of wchar_t is 0) + fi fi -AC_SUBST(U_SIZEOF_WCHAR_T) -dnl Echo -ECHO_N=$ac_n -ECHO_C=$ac_c -AC_SUBST(ECHO_N) -AC_SUBST(ECHO_C) +AC_MSG_CHECKING([for UTF-16 string literal support]) +U_CHECK_UTF16_STRING=1 +CHECK_UTF16_STRING_RESULT="unknown" + +case "${host}" in +*-*-aix*|powerpc64-*-linux*) + if test "$GCC" = no; then + OLD_CFLAGS="${CFLAGS}" + OLD_CXXFLAGS="${CXXFLAGS}" + CFLAGS="${CFLAGS} -qutf" + CXXFLAGS="${CXXFLAGS} -qutf" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[const unsigned short hello[] = u"hello";]], [[]])],[U_CHECK_UTF16_STRING=1],[U_CHECK_UTF16_STRING=0]) + if test "$U_CHECK_UTF16_STRING" = 0; then + CFLAGS="${OLD_CFLAGS}" + CXXFLAGS="${OLD_CXXFLAGS}" + else + CHECK_UTF16_STRING_RESULT="-qutf" + fi + fi + ;; +*-*-solaris*) + if test "$GCC" = no; then + OLD_CFLAGS="${CFLAGS}" + OLD_CXXFLAGS="${CXXFLAGS}" + CFLAGS="${CFLAGS} -xustr=ascii_utf16_ushort" + CXXFLAGS="${CXXFLAGS} -xustr=ascii_utf16_ushort" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[const unsigned short hello[] = U"hello";]], [[]])],[U_CHECK_UTF16_STRING=1],[U_CHECK_UTF16_STRING=0]) + if test "$U_CHECK_UTF16_STRING" = 0; then + CFLAGS="${OLD_CFLAGS}" + CXXFLAGS="${OLD_CXXFLAGS}" + else + CHECK_UTF16_STRING_RESULT="-xustr=ascii_utf16_ushort" + + # Since we can't detect the availability of this UTF-16 syntax at compile time, + # we depend on configure telling us that we can use it. + # Since we can't ensure ICU users use -xustr=ascii_utf16_ushort, + # we only use this macro within ICU. + # If an ICU user uses icu-config, this feature will be enabled. + CONFIG_CPPFLAGS="${CONFIG_CPPFLAGS} -DU_CHECK_UTF16_STRING=1" + U_CHECK_UTF16_STRING=0 + fi + fi + ;; +*-*-hpux*) + if test "$GCC" = no; then + # The option will be detected at compile time without additional compiler options. + CHECK_UTF16_STRING_RESULT="available" + fi + ;; +*-*-cygwin) + # wchar_t can be used + CHECK_UTF16_STRING_RESULT="available" + ;; +*) + ;; +esac + +# GCC >= 4.4 supports UTF16 string literals. The CFLAGS and CXXFLAGS may change in the future. +if test "$CHECK_UTF16_STRING_RESULT" = "unknown"; then + if test "$GCC" = yes; then + OLD_CFLAGS="${CFLAGS}" + CFLAGS="${CFLAGS} -std=gnu99" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +static const char16_t test[] = u"This is a UTF16 literal string."; + ]], [[]])],[CC_UTF16_STRING=1],[CC_UTF16_STRING=0]) + if test "$CC_UTF16_STRING" = 1; then + CHECK_UTF16_STRING_RESULT="C only"; + else + CFLAGS="${OLD_CFLAGS}" + fi + fi + if test "$GXX" = yes; then + OLD_CXXFLAGS="${CXXFLAGS}" + # -Wno-return-type-c-linkage is desired so that stable ICU API is not warned about. + CXXFLAGS="${CXXFLAGS} -std=c++11" + AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +static const char16_t test[] = u"This is a UTF16 literal string."; + ]], [[]])],[CXX_UTF16_STRING=1],[CXX_UTF16_STRING=0]) + AC_LANG_POP([C++]) + if test "$CXX_UTF16_STRING" = 1; then + if test "$CC_UTF16_STRING" = 1; then + CHECK_UTF16_STRING_RESULT="available"; + else + CHECK_UTF16_STRING_RESULT="C++ only"; + fi + else + CXXFLAGS="${OLD_CXXFLAGS}" + fi + fi +fi +AC_MSG_RESULT($CHECK_UTF16_STRING_RESULT) -dnl Enable/disable extras +# Enable/disable extras AC_ARG_ENABLE(extras, [ --enable-extras build ICU extras [default=yes]], [case "${enableval}" in @@ -662,17 +1001,17 @@ AC_ARG_ENABLE(extras, esac], extras=true) ICU_CONDITIONAL(EXTRAS, test "$extras" = true) -AC_ARG_ENABLE(extras, - [ --enable-ustdio build ICU's ustdio library [default=yes]], +AC_ARG_ENABLE(icuio, + [ --enable-icuio build ICU's icuio library [default=yes]], [case "${enableval}" in - yes) ustdio=true ;; - no) ustdio=false ;; - *) AC_MSG_ERROR(bad value ${enableval} for --enable-ustdio) ;; + yes) icuio=true ;; + no) icuio=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-icuio) ;; esac], - ustdio=true) -ICU_CONDITIONAL(USTDIO, test "$ustdio" = true) + icuio=true) +ICU_CONDITIONAL(ICUIO, test "$icuio" = true) -dnl Enable/disable layout +# Enable/disable layout AC_ARG_ENABLE(layout, [ --enable-layout build ICU's layout library [default=yes]], [case "${enableval}" in @@ -684,83 +1023,81 @@ AC_ARG_ENABLE(layout, ICU_CONDITIONAL(LAYOUT, test "$layout" = true) AC_ARG_WITH(data-packaging, - [ --with-data-packaging=type specify how to package ICU data (files, archive, library, auto) [default=auto]], + [ --with-data-packaging=type specify how to package ICU data (files, archive, library, static, auto) [default=auto]], [case "${withval}" in files|archive|library) datapackaging=$withval ;; auto) datapackaging=$withval ;; common) datapackaging=archive ;; dll) datapackaging=library ;; - *) AC_MSG_ERROR(bad value ${withval} for --with-iostream) ;; + static) datapackaging=static ;; + *) AC_MSG_ERROR(bad value ${withval} for --with-data-packaging) ;; esac], [datapackaging=]) -thesysconfdir=`eval echo $sysconfdir` -AC_SUBST(thesysconfdir) +# Note: 'thesysconfdir' is an evaluated version, for Man pages, so also for thedatadir, thelibdir, etc.. +# thesysconfdir=`eval echo $sysconfdir` +dnl# AC_SUBST(thesysconfdir) +dnl# thelibdir=`test "x$exec_prefix" = xNONE && exec_prefix="$prefix"; eval echo $libdir` +dnl# AC_SUBST(thelibdir) thedatadir=`eval echo $datadir` -AC_SUBST(thedatadir) -thelibdir=`test "x$exec_prefix" = xNONE && exec_prefix="$prefix"; eval echo $libdir` -AC_SUBST(thelibdir) -case $datapackaging in - common) - pkgicudatadir=$datadir - thepkgicudatadir=$thedatadir - ;; - *) - pkgicudatadir=$libdir - thepkgicudatadir=$thelibdir - ;; -esac +dnl# AC_SUBST(thedatadir) +# Always put raw data files in share/icu/{version}, etc. Never use lib/icu/{version} for data files.. Actual shared libraries will go in {libdir}. +pkgicudatadir=$datadir +thepkgicudatadir=$thedatadir AC_SUBST(pkgicudatadir) AC_SUBST(thepkgicudatadir) -dnl Shouldn't need the AC_SUBST -dnl Deprecated support for --enable-mapped - -AC_ARG_ENABLE(mapped,, - [case "${enableval}" in - yes) mapped=archive ;; - no) mapped=library ;; - *) AC_MSG_ERROR(bad value ${enableval} for --enable-mapped; use --with-data-packaging now) ;; - esac], - [mapped=]) - -if test x"$mapped" != x; then - case $mapped in - archive) - AC_MSG_WARN(use --with-data-packaging=archive instead of --enable-mapped) - ;; - library) - AC_MSG_WARN(use --with-data-packaging=library instead of --disable-mapped) - ;; - esac - if test x"$datapackaging" != x -a x"$mapped" != x"$datapackaging"; then - AC_MSG_ERROR(conflicting values used for --with-data-packaging and deprecated --enable-mapped) - fi - datapackaging=$mapped -fi +dnl# Shouldn't need the AC_SUBST if test x"$datapackaging" = x -o x"$datapackaging" = xauto; then + # default to library datapackaging=library + if test "$ENABLE_STATIC" = "YES"; then + if test "$ENABLE_SHARED" != "YES"; then + datapackaging=static + fi + fi fi +datapackaging_dir=`eval echo $thedatadir`"/icu/${VERSION}" + +datapackaging_msg="(No explaination for mode $datapackaging.)" + +datapackaging_msg_path="ICU will look in $datapackaging_dir which is the installation location. Call u_setDataDirectory() or use the ICU_DATA environment variable to override." +datapackaging_msg_set="ICU will use the linked data library. If linked with the stub library located in stubdata/, the application can use udata_setCommonData() or set a data path to override." +datapackaging_howfound="(unknown)" + case "$datapackaging" in files) - DATA_PACKAGING_CPPFLAGS=-DUDATA_FILES - DATA_PACKAGING_MODE=files - ;; + DATA_PACKAGING_MODE=files + datapackaging_msg="ICU data will be stored in individual files." + datapackaging_howfound="$datapackaging_msg_path" + ;; archive) - DATA_PACKAGING_CPPFLAGS=-DUDATA_MAP - DATA_PACKAGING_MODE=common - ;; + DATA_PACKAGING_MODE=common + datapackaging_msg="ICU data will be stored in a single .dat file." + datapackaging_howfound="$datapackaging_msg_path" + ;; library) - DATA_PACKAGING_CPPFLAGS=-DUDATA_DLL - DATA_PACKAGING_MODE=dll - ;; + DATA_PACKAGING_MODE=dll + datapackaging_msg="ICU data will be linked with ICU." + if test "$ENABLE_STATIC" = "YES"; then + datapackaging_msg="$datapackaging_msg A static data library will be built. " + fi + if test "$ENABLE_SHARED" = "YES"; then + datapackaging_msg="$datapackaging_msg A shared data library will be built. " + fi + datapackaging_howfound="$datapackaging_msg_set" + ;; + static) + DATA_PACKAGING_MODE=static + datapackaging_msg="ICU data will be stored in a static library." + datapackaging_howfound="$datapackaging_msg_set" + ;; esac -AC_SUBST(DATA_PACKAGING_CPPFLAGS) AC_SUBST(DATA_PACKAGING_MODE) -dnl Sets a library suffix +# Sets a library suffix AC_MSG_CHECKING([for a library suffix to use]) AC_ARG_WITH(library-suffix, [ --with-library-suffix=suffix tag a suffix to the library names [default=]], @@ -772,19 +1109,18 @@ if test "$msg" = ""; then fi AC_MSG_RESULT($msg) AC_SUBST(ICULIBSUFFIX) -changequote(<<, >>)dnl if test "$ICULIBSUFFIX" != "" then U_HAVE_LIB_SUFFIX=1 ICULIBSUFFIXCNAME=`echo _$ICULIBSUFFIX | sed 's/[^A-Za-z0-9_]/_/g'` + UCONFIG_CPPFLAGS="${UCONFIG_CPPFLAGS} -DU_HAVE_LIB_SUFFIX=1 -DU_LIB_SUFFIX_C_NAME=${ICULIBSUFFIXCNAME} " else U_HAVE_LIB_SUFFIX=0 fi -changequote([, ])dnl AC_SUBST(U_HAVE_LIB_SUFFIX) AC_SUBST(ICULIBSUFFIXCNAME) -dnl Enable/disable tests +# Enable/disable tests AC_ARG_ENABLE(tests, [ --enable-tests build ICU tests [default=yes]], [case "${enableval}" in @@ -795,10 +1131,12 @@ AC_ARG_ENABLE(tests, tests=true) ICU_CONDITIONAL(TESTS, test "$tests" = true) -dnl Enable/disable samples +# Enable/disable samples AC_ARG_ENABLE(samples, [ --enable-samples build ICU samples [default=yes] -Additionally, the variable FORCE_LIBS may be set before calling configure. If set, it will REPLACE any automatic list of libraries.], + +Additionally, the variable FORCE_LIBS may be set before calling configure. +If set, it will REPLACE any automatic list of libraries.], [case "${enableval}" in yes) samples=true ;; no) samples=false ;; @@ -809,24 +1147,30 @@ ICU_CONDITIONAL(SAMPLES, test "$samples" = true) ICUDATA_CHAR=$U_ENDIAN_CHAR -dnl Platform-specific Makefile setup -dnl set ICUDATA_CHAR to 'e' for any EBCDIC (which should be big endian) platform. +# Platform-specific Makefile setup +# set ICUDATA_CHAR to 'e' for any EBCDIC (which should be big endian) platform. case "${host}" in *-*-solaris*) platform=U_SOLARIS ;; - *-*-linux*) platform=U_LINUX ;; - *-*-*bsd*) platform=U_BSD ;; - *-*-aix*) platform=AIX ;; - *-*-hpux*) platform=HPUX ;; + *-*-linux*|*-*-gnu|*-*-k*bsd*-gnu|*-*-kopensolaris*-gnu) platform=U_LINUX ;; + *-*-*bsd*|*-*-dragonfly*) platform=U_BSD ;; + *-*-aix*) platform=U_AIX ;; + *-*-hpux*) platform=U_HPUX ;; *-apple-darwin*|*-apple-rhapsody*) platform=U_DARWIN ;; - *-*-cygwin*|*-*-mingw*) platform=U_CYGWIN ;; + *-*-cygwin*) platform=U_CYGWIN ;; + *-*-mingw*) platform=U_MINGW ;; *-*ibm-openedition*|*-*-os390*) platform=OS390 - ICUDATA_CHAR="e" ;; + if test "${ICU_ENABLE_ASCII_STRINGS}" != "1"; then + ICUDATA_CHAR="e" + fi ;; *-*-os400*) platform=OS400 - ICUDATA_CHAR="e" ;; + if test "${ICU_ENABLE_ASCII_STRINGS}" != "1"; then + ICUDATA_CHAR="e" + fi ;; *-*-nto*) platform=U_QNX ;; *-dec-osf*) platform=U_OSF ;; - *-*-irix*) platform=IRIX ;; - *-sequent-*) platform=PTX ;; + *-*-beos) platform=U_BEOS ;; + *-*-irix*) platform=U_IRIX ;; + *-ncr-*) platform=U_MPRAS ;; *) platform=U_UNKNOWN_PLATFORM ;; esac AC_SUBST(ICUDATA_CHAR) @@ -836,127 +1180,156 @@ platform_make_fragment='$(top_srcdir)/config/'"$platform_make_fragment_name" AC_SUBST(platform_make_fragment_name) AC_SUBST(platform_make_fragment) -dnl Handle -rpath options for shared library paths -case "${host}" in - *-*-solaris*) ld_rpath_suf=":" ;; - *-*-linux*) ld_rpath_suf=" " ;; - *-*-*bsd*) ld_rpath_suf=" " ;; - *-*-aix*) ld_rpath_suf="" ;; - *-*-hpux*) ld_rpath_suf=":" ;; - *-*ibm-openedition*|*-*-os390*) ld_rpath_suf="" ;; - *-*-os400*) ld_rpath_suf=" " ;; - *-sequent-*) ld_rpath_suf="" ;; - *-*-irix*) ld_rpath_suf=" " ;; - *) ld_rpath_suf="" ;; -esac -AC_SUBST(ld_rpath_suf) - -dnl On HP/UX, main() functions compiled in C don't invoke -dnl static constructors in C++ libs. Hack around that here -dnl by renaming some .c files to .cpp -case "${host}" in - *-*-hpux*) - if test "$ac_cv_prog_gcc" != yes; then - for file in samples/date/date \ - samples/cal/cal test/cintltst/cintltst \ - tools/makeconv/makeconv tools/genrb/genrb \ - tools/genrb/derb tools/genccode/genccode \ - tools/gencmn/gencmn tools/gencmn/decmn \ - tools/gencnval/gencnval tools/gennorm/gennorm \ - tools/gennames/gennames tools/gentest/gentest \ - tools/pkgdata/pkgdata tools/genprops/genprops \ - tools/genidna/genidna - do - if test -f $file.c; then - mv $file.c $file.cpp - else - echo "# $file.c does not exist or is already renamed [warning]" - fi - done - fi - ;; -esac - if test "${FORCE_LIBS}" != ""; then echo " *** Overriding automatically chosen [LIBS=$LIBS], using instead [FORCE_LIBS=${FORCE_LIBS}]" 1>&6 LIBS=${FORCE_LIBS} fi +# Now that we're done using CPPFLAGS etc. for tests, we can change it +# for build. -if test "${AIX_SHLIB}" != ""; then - echo " *** setting AIX_SHLIB (AIX only) to ${AIX_SHLIB}]" 1>&6 -else - AIX_SHLIB=makeC++SharedLib_r -fi - -AC_SUBST(AIX_SHLIB) - - -dnl SPECIAL handling for HPUX 10 and also '11 & --enable-hpuxcma=true' -if test $hpuxcma = true; then - CPPFLAGS="${CPPFLAGS} -D_PTHREADS_DRAFT4 -DHPUX_CMA" -fi -dnl END special +CPPFLAGS="$CPPFLAGS \$(THREADSCPPFLAGS)" +CFLAGS="$CFLAGS \$(THREADSCFLAGS)" +CXXFLAGS="$CXXFLAGS \$(THREADSCXXFLAGS)" -dnl Now that we're done using CPPFLAGS etc. for tests, we can change it -dnl for build. +AC_SUBST(LIBCFLAGS) +AC_SUBST(LIBCXXFLAGS) -if test $ICU_USE_THREADS -ne 0 -then - CPPFLAGS="$CPPFLAGS \$(THREADSCPPFLAGS)" - CFLAGS="$CFLAGS \$(THREADSCFLAGS)" - CXXFLAGS="$CXXFLAGS \$(THREADSCXXFLAGS)" -fi - -if test "$ac_cv_lib_dld_shl_load" = "yes"; then - CPPFLAGS="${CPPFLAGS} -DICU_USE_SHL_LOAD" -fi +# append all config cppflags +CPPFLAGS="$CPPFLAGS $CONFIG_CPPFLAGS $UCONFIG_CPPFLAGS" -dnl added for s/390 DLL loading detection +echo "CPPFLAGS=$CPPFLAGS" +echo "CFLAGS=$CFLAGS" +echo "CXXFLAGS=$CXXFLAGS" -if test "$ac_cv_func_dllload" = "yes"; then - CPPFLAGS="${CPPFLAGS} -DICU_USE_SHL_LOAD" -fi -dnl output the Makefiles -AC_OUTPUT([README icudefs.mk \ +# output the Makefiles +AC_CONFIG_FILES([icudefs.mk \ Makefile \ - data/Makefile data/icupkg.inc \ - common/Makefile config/Makefile.inc i18n/Makefile \ + data/pkgdataMakefile \ + config/Makefile.inc \ + config/icu.pc \ + config/pkgdataMakefile \ + data/Makefile \ + stubdata/Makefile \ + common/Makefile \ + i18n/Makefile \ layout/Makefile \ layoutex/Makefile \ - extra/Makefile extra/ustdio/Makefile \ - extra/uconv/Makefile extra/scrptrun/Makefile - stubdata/Makefile \ - tools/Makefile tools/ctestfw/Makefile tools/makeconv/Makefile \ - tools/genrb/Makefile \ - tools/genuca/Makefile \ - tools/pkgdata/Makefile \ - tools/genccode/Makefile tools/gencmn/Makefile \ - tools/gencnval/Makefile tools/gentz/Makefile \ - tools/gennames/Makefile tools/toolutil/Makefile \ + io/Makefile \ + extra/Makefile \ + extra/uconv/Makefile \ + extra/uconv/pkgdataMakefile \ + extra/scrptrun/Makefile \ + tools/Makefile \ + tools/ctestfw/Makefile \ + tools/toolutil/Makefile \ + tools/makeconv/Makefile \ + tools/genrb/Makefile \ + tools/genccode/Makefile \ + tools/gencmn/Makefile \ + tools/gencnval/Makefile \ + tools/gendict/Makefile \ tools/gentest/Makefile \ - tools/gennorm/Makefile \ - tools/genprops/Makefile \ - tools/genpname/Makefile \ + tools/gennorm2/Makefile \ tools/genbrk/Makefile \ - tools/genidna/Makefile \ - tools/dumpce/Makefile \ - test/Makefile test/testdata/Makefile \ + tools/gensprep/Makefile \ + tools/icuinfo/Makefile \ + tools/icupkg/Makefile \ + tools/icuswap/Makefile \ + tools/pkgdata/Makefile \ + tools/tzcode/Makefile \ + tools/gencfu/Makefile \ + test/Makefile \ + test/compat/Makefile \ + test/testdata/Makefile \ + test/testdata/pkgdataMakefile \ + test/hdrtst/Makefile \ test/intltest/Makefile \ test/cintltst/Makefile \ test/iotest/Makefile \ - test/ieeetest/Makefile \ - test/thaitest/Makefile \ - test/testmap/Makefile \ test/letest/Makefile \ - test/threadtest/Makefile \ + test/perf/Makefile \ + test/perf/collationperf/Makefile \ + test/perf/collperf/Makefile \ + test/perf/dicttrieperf/Makefile \ + test/perf/ubrkperf/Makefile \ + test/perf/charperf/Makefile \ + test/perf/convperf/Makefile \ + test/perf/normperf/Makefile \ + test/perf/DateFmtPerf/Makefile \ + test/perf/howExpensiveIs/Makefile \ + test/perf/strsrchperf/Makefile \ + test/perf/unisetperf/Makefile \ + test/perf/usetperf/Makefile \ + test/perf/ustrperf/Makefile \ + test/perf/utfperf/Makefile \ + test/perf/utrie2perf/Makefile \ samples/Makefile samples/date/Makefile \ - samples/cal/Makefile samples/layout/Makefile \ - common/unicode/platform.h]) + samples/cal/Makefile samples/layout/Makefile]) +AC_OUTPUT + +echo +echo "ICU for C/C++ $VERSION is ready to be built." +echo "=== Important Notes: ===" + +echo "Data Packaging: $datapackaging" +echo " This means: $datapackaging_msg" +echo " To locate data: $datapackaging_howfound" + +if test -n "`$U_MAKE -v 2>&1 | grep '^GNU Make'`"; then +echo "Building ICU: Use a GNU make such as $U_MAKE to build ICU." +else +echo "** WARNING: $U_MAKE may not be GNU make." +echo "This may cause ICU to fail to build. Please make sure that GNU make" +echo "is in your PATH so that the configure script can detect its location." +fi +if test "x$AR" = "xfalse"; then + echo "*** WARNING: Archiver ar not found. Set AR= or fix PATH. Some builds (such as static) may fail." +fi + +AC_MSG_CHECKING([the version of "$U_MAKE"]) +if "$U_MAKE" -f "$srcdir/config/gmakever.mk" PLATFORM="$platform"; then +AC_MSG_RESULT([ok]) +else +AC_MSG_RESULT([too old or test failed - try upgrading GNU Make]) +fi -if test $ICU_USE_THREADS = 0; then - echo " *** Note: configuring the ICU without pthread support or testing. If this isn't what you want, then run configure with --enable-threads=yes or check the messages [above] to see why we couldn't find pthread_create()" 1>&6 +if test -n "$UCONFIG_CPPFLAGS"; then + HDRFILE="uconfig.h.prepend" + echo "*** WARNING: You must set the following flags before code compiled against this ICU will function properly:" + echo + echo " ${UCONFIG_CPPFLAGS}" + echo + echo 'The recommended way to do this is to prepend the following lines to source/common/unicode/uconfig.h or #include them near the top of that file.' + echo "Creating the file ${HDRFILE}" + echo + echo '--------------- ' "${HDRFILE}" + echo > "${HDRFILE}" + echo '/* ICU customizations: put these lines at the top of uconfig.h */' >> "${HDRFILE}" + echo >> "${HDRFILE}" + for flag in ${UCONFIG_CPPFLAGS}; + do + echo " /* $flag */" >> "${HDRFILE}" + case "${flag}" in + -D*=*) + [ \echo "${flag}" | sed -n 's%-D\([^=]*\)=%#define \1 %p' >> "${HDRFILE}" ] + \echo >> "${HDRFILE}" + ;; + -D*) + [ \echo "${flag}" | sed -n 's%-D\([^=]*\)%#define \1 %p' >> "${HDRFILE}" ] + \echo >> "${HDRFILE}" + ;; + *) + \echo "/* Not sure how to handle this argument: ${flag} */" >> "${HDRFILE}" + \echo >> "${HDRFILE}" + ;; + esac + done + cat "${HDRFILE}" + \echo "/* End of ${HDRFILE} ------------ */" >> "${HDRFILE}" + echo >> "${HDRFILE}" + echo '--------------- end ' "${HDRFILE}" fi -echo "You must use $U_MAKE to build ICU." +$as_unset _CXX_CXXSUFFIX