-dnl aclocal.m4 for ICU
-dnl Copyright (c) 1999-2006, International Business Machines Corporation and
-dnl others. All Rights Reserved.
-dnl Stephen F. Booth
+# aclocal.m4 for ICU
+# Copyright (c) 1999-2010, International Business Machines Corporation and
+# others. All Rights Reserved.
+# Stephen F. Booth
-dnl @TOP@
+# @TOP@
-dnl ICU_CHECK_MH_FRAG
+# ICU_CHECK_MH_FRAG
AC_DEFUN(ICU_CHECK_MH_FRAG, [
AC_CACHE_CHECK(
- [which Makefile fragment to use],
+ [which Makefile fragment to use for ${host}],
[icu_cv_host_frag],
[
case "${host}" in
*-*-solaris*)
if test "$GCC" = yes; then
- icu_cv_host_frag=mh-solaris-gcc
+ icu_cv_host_frag=mh-solaris-gcc
else
icu_cv_host_frag=mh-solaris
fi ;;
alpha*-*-linux-gnu)
if test "$GCC" = yes; then
icu_cv_host_frag=mh-alpha-linux-gcc
- else
+ else
icu_cv_host_frag=mh-alpha-linux-cc
fi ;;
powerpc*-*-linux*)
if test "$GCC" = yes; then
- icu_cv_host_frag=mh-linux
- else
- icu_cv_host_frag=mh-linux-va
- fi ;;
-*-*-linux*) icu_cv_host_frag=mh-linux ;;
-*-*-cygwin)
- if test "$GCC" = yes; then
- icu_cv_host_frag=mh-cygwin
+ icu_cv_host_frag=mh-linux
else
- icu_cv_host_frag=mh-cygwin-msvc
+ icu_cv_host_frag=mh-linux-va
fi ;;
-*-*-mingw32)
+*-*-linux*|*-*-gnu|*-*-k*bsd*-gnu|*-*-kopensolaris*-gnu) icu_cv_host_frag=mh-linux ;;
+*-*-cygwin|*-*-mingw32)
if test "$GCC" = yes; then
- icu_cv_host_frag=mh-mingw
+ AC_TRY_COMPILE([
+#ifndef __MINGW32__
+#error This is not MinGW
+#endif], [], icu_cv_host_frag=mh-mingw, icu_cv_host_frag=mh-cygwin)
else
- icu_cv_host_frag=mh-cygwin-msvc
+ icu_cv_host_frag=mh-cygwin-msvc
fi ;;
*-*-*bsd*|*-*-dragonfly*) icu_cv_host_frag=mh-bsd-gcc ;;
*-*-aix*)
if test "$GCC" = yes; then
icu_cv_host_frag=mh-aix-gcc
else
- if test -n "`$CXX --help 2>&1 | grep 'IBM C and C++ Compilers$'`"; then
- icu_cv_host_frag=mh-aix
- else
- icu_cv_host_frag=mh-aix-va
- fi
+ icu_cv_host_frag=mh-aix-va
fi ;;
*-*-hpux*)
if test "$GCC" = yes; then
else
case "$CXX" in
*aCC) icu_cv_host_frag=mh-hpux-acc ;;
- *CC) icu_cv_host_frag=mh-hpux-cc ;;
esac
fi ;;
*-*ibm-openedition*|*-*-os390*) icu_cv_host_frag=mh-os390 ;;
*-*-os400*) icu_cv_host_frag=mh-os400 ;;
*-apple-rhapsody*) icu_cv_host_frag=mh-darwin ;;
*-apple-darwin*) icu_cv_host_frag=mh-darwin ;;
-*-*-beos) icu_cv_host_frag=mh-beos ;;
+*-*-beos) icu_cv_host_frag=mh-beos ;;
+*-*-haiku) icu_cv_host_frag=mh-haiku ;;
*-*-irix*) icu_cv_host_frag=mh-irix ;;
*-dec-osf*) icu_cv_host_frag=mh-alpha-osf ;;
*-*-nto*) icu_cv_host_frag=mh-qnx ;;
)
])
-dnl ICU_CONDITIONAL - similar example taken from Automake 1.4
+# ICU_CONDITIONAL - similar example taken from Automake 1.4
AC_DEFUN(ICU_CONDITIONAL,
[AC_SUBST($1_TRUE)
if $2; then
$1_TRUE='#'
fi])
-dnl ICU_PROG_LINK - Make sure that the linker is usable
+# ICU_PROG_LINK - Make sure that the linker is usable
AC_DEFUN(ICU_PROG_LINK,
[
case "${host}" in
*);;
esac])
-dnl AC_SEARCH_LIBS_FIRST(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
-dnl [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
-dnl Search for a library defining FUNC, then see if it's not already available.
-
+# AC_SEARCH_LIBS_FIRST(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
+# [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
+# Search for a library defining FUNC, then see if it's not already available.
+
AC_DEFUN(AC_SEARCH_LIBS_FIRST,
[AC_PREREQ([2.13])
AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1],
$4
fi])
-dnl Check if we can build and use 64-bit libraries
+
+
+# Check if we can build and use 64-bit libraries
AC_DEFUN(AC_CHECK_64BIT_LIBS,
[
+ BITS_REQ=nochange
+ ENABLE_64BIT_LIBS=unknown
+ ## revisit this for cross-compile.
+
AC_ARG_ENABLE(64bit-libs,
- [ --enable-64bit-libs build 64-bit libraries [default=yes]],
- [ENABLE_64BIT_LIBS=${enableval}],
- [ENABLE_64BIT_LIBS=yes]
- )
- dnl These results can't be cached because is sets compiler flags.
- AC_MSG_CHECKING([for 64-bit executable support])
- if test "$ENABLE_64BIT_LIBS" != no; then
- case "${host}" in
- *-*-solaris*)
- SPARCV9=`isainfo -n 2>&1 | grep sparcv9`
- if test "$GCC" = yes; then
- # We could add a check for -m64 depending on the gcc version.
- ENABLE_64BIT_LIBS=no
- else
- SOL64=`$CXX -xarch=v9 2>&1 && $CC -xarch=v9 2>&1 | grep -v usage:`
- if test -z "$SOL64" && test -n "$SPARCV9"; then
- CFLAGS="${CFLAGS} -xtarget=ultra -xarch=v9"
- CXXFLAGS="${CXXFLAGS} -xtarget=ultra -xarch=v9"
- LDFLAGS="${LDFLAGS} -xtarget=ultra -xarch=v9"
- ENABLE_64BIT_LIBS=yes
- else
- ENABLE_64BIT_LIBS=no
- fi
- fi
- ;;
- ia64-*-linux*)
+ [ --enable-64bit-libs (deprecated, use --with-library-bits) build 64-bit libraries [default= platform default]],
+ [echo "note, use --with-library-bits instead of --*-64bit-libs"
+ case "${enableval}" in
+ no|false|32) with_library_bits=32; ;;
+ yes|true|64) with_library_bits=64else32 ;;
+ nochange) with_library_bits=nochange; ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for '--*-64bit-libs') ;;
+ esac] )
+
+
+ AC_ARG_WITH(library-bits,
+ [ --with-library-bits=bits specify how many bits to use for the library (32, 64, 64else32, nochange) [default=nochange]],
+ [case "${withval}" in
+ ""|nochange) BITS_REQ=$withval ;;
+ 32|64|64else32) BITS_REQ=$withval ;;
+ *) AC_MSG_ERROR(bad value ${withval} for --with-library-bits) ;;
+ esac])
+
+ # don't use these for cross compiling
+ if test "$cross_compiling" = "yes" -a "${BITS_REQ}" != "nochange"; then
+ AC_MSG_ERROR([Don't specify bitness when cross compiling. See readme.html for help with cross compilation., and set compiler options manually.])
+ fi
+ AC_CHECK_SIZEOF([void *])
+ AC_MSG_CHECKING([whether runnable 64 bit binaries are built by default])
+ case $ac_cv_sizeof_void_p in
+ 8) DEFAULT_64BIT=yes ;;
+ 4) DEFAULT_64BIT=no ;;
+ *) DEFAULT_64BIT=unknown
+ esac
+ BITS_GOT=unknown
+
+ # 'OK' here means, we can exit any further checking, everything's copa
+ BITS_OK=yes
+
+ # do we need to check for buildable/runnable 32 or 64 bit?
+ BITS_CHECK_32=no
+ BITS_CHECK_64=no
+
+ # later, can we run the 32/64 bit binaries so made?
+ BITS_RUN_32=no
+ BITS_RUN_64=no
+
+ if test "$DEFAULT_64BIT" = "yes"; then
+ # we get 64 bits by default.
+ BITS_GOT=64
+ case "$BITS_REQ" in
+ 32)
+ # need to look for 32 bit support.
+ BITS_CHECK_32=yes
+ # not copa.
+ BITS_OK=no;;
+ # everyone else is happy.
+ nochange) ;;
+ *) ;;
+ esac
+ elif test "$DEFAULT_64BIT" = "no"; then
+ # not 64 bit by default.
+ BITS_GOT=32
+ case "$BITS_REQ" in
+ 64|64else32)
+ BITS_CHECK_64=yes
+ #BITS_CHECK_32=yes
+ BITS_OK=no;;
+ nochange) ;;
+ *) ;;
+ esac
+ elif test "$DEFAULT_64BIT" = "unknown"; then
+ # cross compiling.
+ BITS_GOT=unknown
+ case "$BITS_REQ" in
+ 64|64else32) BITS_OK=no
+ BITS_CHECK_32=yes
+ BITS_CHECK_64=yes ;;
+ 32) BITS_OK=no;;
+ nochange) ;;
+ *) ;;
+ esac
+ fi
+
+ AC_MSG_RESULT($DEFAULT_64BIT);
+
+ if test "$BITS_OK" != "yes"; then
+ # not copa. back these up.
+ CFLAGS_OLD="${CFLAGS}"
+ CXXFLAGS_OLD="${CXXFLAGS}"
+ LDFLAGS_OLD="${LDFLAGS}"
+ ARFLAGS_OLD="${ARFLAGS}"
+
+ CFLAGS_32="${CFLAGS}"
+ CXXFLAGS_32="${CXXFLAGS}"
+ LDFLAGS_32="${LDFLAGS}"
+ ARFLAGS_32="${ARFLAGS}"
+
+ CFLAGS_64="${CFLAGS}"
+ CXXFLAGS_64="${CXXFLAGS}"
+ LDFLAGS_64="${LDFLAGS}"
+ ARFLAGS_64="${ARFLAGS}"
+
+ CAN_BUILD_64=unknown
+ CAN_BUILD_32=unknown
+ # These results can't be cached because is sets compiler flags.
+ if test "$BITS_CHECK_64" = "yes"; then
+ AC_MSG_CHECKING([how to build 64-bit executables])
+ CAN_BUILD_64=no
+ ####
+ # Find out if we think we can *build* for 64 bit. Doesn't check whether we can run it.
+ # Note, we don't have to actually check if the options work- we'll try them before using them.
+ # So, only try actually testing the options, if you are trying to decide between multiple options.
+ # On exit from the following clauses:
+ # if CAN_BUILD_64=yes:
+ # *FLAGS are assumed to contain the right settings for 64bit
+ # else if CAN_BUILD_64=no: (default)
+ # *FLAGS are assumed to be trashed, and will be reset from *FLAGS_OLD
+
if test "$GCC" = yes; then
- # gcc compiler support
- if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then
- ENABLE_64BIT_LIBS=yes
- else
- ENABLE_64BIT_LIBS=no
- fi
+ CFLAGS="${CFLAGS} -m64"
+ CXXFLAGS="${CXXFLAGS} -m64"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
else
- # check for ecc/ecpc compiler support
- if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then
- if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then
- ENABLE_64BIT_LIBS=yes
- else
- ENABLE_64BIT_LIBS=no
+ case "${host}" in
+ sparc*-*-solaris*)
+ # 1. try -m64
+ CFLAGS="${CFLAGS} -m64"
+ CXXFLAGS="${CXXFLAGS} -m64"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ if test "$CAN_BUILD_64" != yes; then
+ # Nope. back out changes.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CFLAGS_OLD}"
+ # 2. try xarch=v9 [deprecated]
+ ## TODO: cross compile: the following won't work.
+ SPARCV9=`isainfo -n 2>&1 | grep sparcv9`
+ SOL64=`$CXX -xarch=v9 2>&1 && $CC -xarch=v9 2>&1 | grep -v usage:`
+ # "Warning: -xarch=v9 is deprecated, use -m64 to create 64-bit programs"
+ if test -z "$SOL64" && test -n "$SPARCV9"; then
+ CFLAGS="${CFLAGS} -xtarget=ultra -xarch=v9"
+ CXXFLAGS="${CXXFLAGS} -xtarget=ultra -xarch=v9"
+ LDFLAGS="${LDFLAGS} -xtarget=ultra -xarch=v9"
+ CAN_BUILD_64=yes
+ fi
fi
- else
- # unknown
- ENABLE_64BIT_LIBS=no
- fi
+ ;;
+ i386-*-solaris*)
+ # 1. try -m64
+ CFLAGS="${CFLAGS} -m64"
+ CXXFLAGS="${CXXFLAGS} -m64"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ if test "$CAN_BUILD_64" != yes; then
+ # Nope. back out changes.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ # 2. try the older compiler option
+ ## TODO: cross compile problem
+ SOL64=`$CXX -xtarget=generic64 2>&1 && $CC -xtarget=generic64 2>&1 | grep -v usage:`
+ if test -z "$SOL64" && test -n "$AMD64"; then
+ CFLAGS="${CFLAGS} -xtarget=generic64"
+ CXXFLAGS="${CXXFLAGS} -xtarget=generic64"
+ CAN_BUILD_64=yes
+ fi
+ fi
+ ;;
+ ia64-*-linux*)
+ # check for ecc/ecpc compiler support
+ ## TODO: cross compiler problem
+ if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then
+ if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then
+ CAN_BUILD_64=yes
+ fi
+ fi
+ ;;
+ *-*-cygwin)
+ # vcvarsamd64.bat should have been used to enable 64-bit builds.
+ # We only do this check to display the correct answer.
+ ## TODO: cross compiler problem
+ if test -n "`$CXX -help 2>&1 | grep 'for x64'`"; then
+ CAN_BUILD_64=yes
+ fi
+ ;;
+ *-*-aix*|powerpc64-*-linux*)
+ CFLAGS="${CFLAGS} -q64"
+ CXXFLAGS="${CXXFLAGS} -q64"
+ LDFLAGS="${LDFLAGS} -q64"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ if test "$CAN_BUILD_64" = yes; then
+ # worked- set other options.
+ case "${host}" in
+ *-*-aix*)
+ # tell AIX what executable mode to use.
+ ARFLAGS="${ARFLAGS} -X64"
+ esac
+ fi
+ ;;
+ *-*-hpux*)
+ # First we try the newer +DD64, if that doesn't work,
+ # try other options.
+
+ CFLAGS="${CFLAGS} +DD64"
+ CXXFLAGS="${CXXFLAGS} +DD64"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ if test "$CAN_BUILD_64" != yes; then
+ # reset
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ # append
+ CFLAGS="${CFLAGS} +DA2.0W"
+ CXXFLAGS="${CXXFLAGS} +DA2.0W"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ fi
+ ;;
+ *-*ibm-openedition*|*-*-os390*)
+ CFLAGS="${CFLAGS} -Wc,lp64"
+ CXXFLAGS="${CXXFLAGS} -Wc,lp64"
+ LDFLAGS="${LDFLAGS} -Wl,lp64"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ CAN_BUILD_64=yes, CAN_BUILD_64=no)
+ ;;
+ *)
+ # unknown platform.
+ ;;
+ esac
fi
- ;;
- x86_64-*-linux*)
- if test "$GCC" = yes; then
- if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then
- ENABLE_64BIT_LIBS=yes
- else
- ENABLE_64BIT_LIBS=no
- fi
- else
- # unknown
- ENABLE_64BIT_LIBS=no
+ AC_MSG_RESULT($CAN_BUILD_64)
+ if test "$CAN_BUILD_64" = yes; then
+ AC_MSG_CHECKING([whether runnable 64-bit binaries are being built ])
+ AC_TRY_RUN(int main(void) {return (sizeof(void*)*8==64)?0:1;},
+ BITS_RUN_64=yes, BITS_RUN_64=no, BITS_RUN_64=unknown)
+ AC_MSG_RESULT($BITS_RUN_64);
+
+ CFLAGS_64="${CFLAGS}"
+ CXXFLAGS_64="${CXXFLAGS}"
+ LDFLAGS_64="${LDFLAGS}"
+ ARFLAGS_64="${ARFLAGS}"
fi
- ;;
- x86_64-*-cygwin)
+ # put it back.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ LDFLAGS="${LDFLAGS_OLD}"
+ ARFLAGS="${ARFLAGS_OLD}"
+ fi
+ if test "$BITS_CHECK_32" = "yes"; then
+ # see comment under 'if BITS_CHECK_64', above.
+ AC_MSG_CHECKING([how to build 32-bit executables])
if test "$GCC" = yes; then
- if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then
- ENABLE_64BIT_LIBS=yes
- else
- ENABLE_64BIT_LIBS=no
- fi
- else
- ENABLE_64BIT_LIBS=no
- OLD_CPPFLAGS="${CPPFLAGS}"
- OLD_LDFLAGS="${LDFLAGS}"
- CPPFLAGS="${CPPFLAGS} /DWIN64"
- LDFLAGS="${LDFLAGS} /MACHINE:AMD64"
- AC_TRY_RUN(int main(void) {return 0;},
- ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
- if test "$ENABLE_64BIT_LIBS" = no; then
- CPPFLAGS="${OLD_CPPFLAGS}"
- LDFLAGS="${OLD_LDFLAGS}"
- fi
+ CFLAGS="${CFLAGS} -m32"
+ CXXFLAGS="${CXXFLAGS} -m32"
+ AC_COMPILE_IFELSE(int main(void) {return (sizeof(void*)*8==32)?0:1;},
+ CAN_BUILD_32=yes, CAN_BUILD_32=no)
fi
- ;;
- *-*-aix*|powerpc64-*-linux*)
- if test "$ac_cv_prog_gcc" = no; then
- # Note: Have not tested 64-bitness with gcc.
- # Maybe the flag "-maix64" could be used with gcc?
- OLD_CFLAGS="${CFLAGS}"
- OLD_CXXFLAGS="${CXXFLAGS}"
- OLD_LDFLAGS="${LDFLAGS}"
- CFLAGS="${CFLAGS} -q64"
- CXXFLAGS="${CXXFLAGS} -q64"
- LDFLAGS="${LDFLAGS} -q64"
- AC_TRY_RUN(int main(void) {return 0;},
- ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
- if test "$ENABLE_64BIT_LIBS" = no; then
- CFLAGS="${OLD_CFLAGS}"
- CXXFLAGS="${OLD_CXXFLAGS}"
- LDFLAGS="${OLD_LDFLAGS}"
- else
- case "${host}" in
- *-*-aix*)
- ARFLAGS="${ARFLAGS} -X64"
- esac
- fi
- fi
- ;;
- *-*-hpux*)
- dnl First we try the newer +DD64, if that doesn't work,
- dnl try other options.
-
- OLD_CFLAGS="${CFLAGS}"
- OLD_CXXFLAGS="${CXXFLAGS}"
- CFLAGS="${CFLAGS} +DD64"
- CXXFLAGS="${CXXFLAGS} +DD64"
- AC_TRY_RUN(int main(void) {return 0;},
- ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
- if test "$ENABLE_64BIT_LIBS" = no; then
- CFLAGS="${OLD_CFLAGS}"
- CXXFLAGS="${OLD_CXXFLAGS}"
- CFLAGS="${CFLAGS} +DA2.0W"
- CXXFLAGS="${CXXFLAGS} +DA2.0W"
- AC_TRY_RUN(int main(void) {return 0;},
- ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
- if test "$ENABLE_64BIT_LIBS" = no; then
- CFLAGS="${OLD_CFLAGS}"
- CXXFLAGS="${OLD_CXXFLAGS}"
- fi
- fi
- ;;
- *-*ibm-openedition*|*-*-os390*)
- OLD_CFLAGS="${CFLAGS}"
- OLD_CXXFLAGS="${CXXFLAGS}"
- OLD_LDFLAGS="${LDFLAGS}"
- CFLAGS="${CFLAGS} -Wc,lp64"
- CXXFLAGS="${CXXFLAGS} -Wc,lp64"
- LDFLAGS="${LDFLAGS} -Wl,lp64"
- AC_TRY_RUN(int main(void) {return 0;},
- ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
- if test "$ENABLE_64BIT_LIBS" = no; then
- CFLAGS="${OLD_CFLAGS}"
- CXXFLAGS="${OLD_CXXFLAGS}"
- LDFLAGS="${OLD_LDFLAGS}"
+ AC_MSG_RESULT($CAN_BUILD_32)
+ if test "$CAN_BUILD_32" = yes; then
+ AC_MSG_CHECKING([whether runnable 32-bit binaries are being built ])
+ AC_TRY_RUN(int main(void) {return (sizeof(void*)*8==32)?0:1;},
+ BITS_RUN_32=yes, BITS_RUN_32=no, BITS_RUN_32=unknown)
+ AC_MSG_RESULT($BITS_RUN_32);
+ CFLAGS_32="${CFLAGS}"
+ CXXFLAGS_32="${CXXFLAGS}"
+ LDFLAGS_32="${LDFLAGS}"
+ ARFLAGS_32="${ARFLAGS}"
fi
- ;;
- *)
- ENABLE_64BIT_LIBS=no
- ;;
- esac
- else
- if test "$GCC" = yes; then
- OLD_CFLAGS="${CFLAGS}"
- OLD_CXXFLAGS="${CXXFLAGS}"
- CFLAGS="${CFLAGS} -m32"
- CXXFLAGS="${CXXFLAGS} -m32"
- AC_TRY_RUN(int main(void) {return 0;},
- ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=yes)
- if test "$ENABLE_64BIT_LIBS" = yes; then
- CFLAGS="${OLD_CFLAGS}"
- CXXFLAGS="${OLD_CXXFLAGS}"
+ # put it back.
+ CFLAGS="${CFLAGS_OLD}"
+ CXXFLAGS="${CXXFLAGS_OLD}"
+ LDFLAGS="${LDFLAGS_OLD}"
+ ARFLAGS="${ARFLAGS_OLD}"
+ fi
+
+ ##
+ # OK. Now, we've tested for 32 and 64 bitness. Let's see what we'll do.
+ #
+
+ # First, implement 64else32
+ if test "$BITS_REQ" = "64else32"; then
+ if test "$BITS_RUN_64" = "yes"; then
+ BITS_REQ=64
+ else
+ # no changes.
+ BITS_OK=yes
fi
fi
- fi
- dnl Individual tests that fail should reset their own flags.
- AC_MSG_RESULT($ENABLE_64BIT_LIBS)
+
+ # implement.
+ if test "$BITS_REQ" = "32" -a "$BITS_RUN_32" = "yes"; then
+ CFLAGS="${CFLAGS_32}"
+ CXXFLAGS="${CXXFLAGS_32}"
+ LDFLAGS="${LDFLAGS_32}"
+ ARFLAGS="${ARFLAGS_32}"
+ BITS_OK=yes
+ elif test "$BITS_REQ" = "64" -a "$BITS_RUN_64" = "yes"; then
+ CFLAGS="${CFLAGS_64}"
+ CXXFLAGS="${CXXFLAGS_64}"
+ LDFLAGS="${LDFLAGS_64}"
+ ARFLAGS="${ARFLAGS_64}"
+ BITS_OK=yes
+ elif test "$BITS_OK" != "yes"; then
+ AC_MSG_ERROR([Requested $BITS_REQ bit binaries but could not compile and execute them. See readme.html for help with cross compilation., and set compiler options manually.])
+ fi
+ fi
])
-dnl Strict compilation options.
+# Strict compilation options.
AC_DEFUN(AC_CHECK_STRICT_COMPILE,
[
AC_MSG_CHECKING([whether strict compiling is on])
- AC_ARG_ENABLE(strict,[ --enable-strict compile with strict compiler options [default=no]], [
+ AC_ARG_ENABLE(strict,[ --enable-strict compile with strict compiler options [default=yes]], [
if test "$enableval" = no
then
ac_use_strict_options=no
else
ac_use_strict_options=yes
fi
- ], [ac_use_strict_options=no])
+ ], [ac_use_strict_options=yes])
AC_MSG_RESULT($ac_use_strict_options)
if test "$ac_use_strict_options" = yes
fi
])
-dnl Define a sizeof checking macro that is a bit better than autoconf's
-dnl builtin (and heavily based on it, of course). The new macro is
-dnl AC_DO_CHECK_SIZEOF(TYPE [, CROSS_SIZE [, INCLUDES])
-AC_DEFUN(AC_DO_CHECK_SIZEOF,
-[changequote(<<, >>)dnl
-dnl The name to #define.
-define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
-dnl The cache variable name.
-define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
-changequote([, ])dnl
-AC_MSG_CHECKING(size of $1)
-AC_CACHE_VAL(AC_CV_NAME,
-[AC_TRY_RUN($3
-[#include <stdio.h>
-main()
-{
- FILE *f=fopen("conftestval", "w");
- if (!f) exit(1);
- fprintf(f, "%d\n", sizeof($1));
- exit(0);
-}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
-AC_MSG_RESULT($AC_CV_NAME)
-AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
-undefine([AC_TYPE_NAME])dnl
-undefine([AC_CV_NAME])dnl
-])
projects / apple / icu.git / blobdiff