Further improvements to the autoconf scripting.

[cycript.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index bc1e3523a1cd5a971ef5cfa09e7b91de934c6313..5d76d47b639eccc77883b1a5f77b4aa5198efa22 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,62 +1,259 @@
 AC_PREREQ([2.65])
 AC_INIT([Cycript], [0.9], [saurik@saurik.com], [cycript], [http://www.cycript.org/])
 AC_PREREQ([2.65])
 AC_INIT([Cycript], [0.9], [saurik@saurik.com], [cycript], [http://www.cycript.org/])

+AC_COPYRIGHT([Copyright (C) 2009-2012  Jay Freeman (saurik)])
+

 AC_CONFIG_SRCDIR([Console.cpp])
 AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_SRCDIR([Console.cpp])
 AC_CONFIG_AUX_DIR([.])

+AC_CONFIG_MACRO_DIR([m4])
+
+AM_INIT_AUTOMAKE

 LT_INIT([disable-static])
 LT_INIT([disable-static])

-AX_PROG_BISON([
-       BISON=`echo $YACC | $SED -e 's/ -y//'`
-       BISON_VERSION=`$BISON -V | $SED -e 's/^bison (GNU Bison) \(.*\)$/\1/p;d'`
-], [AC_MSG_ERROR([You need bison 2.4 or greater])])
-AC_PROG_AWK
-AC_MSG_CHECKING([if bison is >= 2.4])
-AS_VERSION_COMPARE([$BISON_VERSION], [2.4], [
-       AC_MSG_RESULT([no])
-       AC_MSG_ERROR([You need bison 2.4 or greater])
-], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([yes])])
-AC_SUBST([BISON])
-AX_PROG_FLEX([
-       FLEX=$LEX
-       FLEX_VERSION=`$FLEX --version | $SED -e 's/^.* \(.*\)$/\1/p;d'`
-], [
-       AC_MSG_ERROR([You need flex 2.5.35 or greater])
+
+AC_LANG([C++])
+
+PKG_PROG_PKG_CONFIG([0.22])
+
+AX_CHECK_GNU_MAKE
+AC_SUBST([GMAKE], [$_cv_gnu_make_command])
+AS_IF([test "x$GMAKE" = x], [AC_MSG_ERROR([You need GNU make])])
+
+AC_PATH_PROG([_BASH], [bash], [AC_MSG_ERROR([missing "bash"])])
+AC_PATH_PROG([GIT], [git])
+AC_PATH_PROG([TIME], [time])
+
+dnl CY_CHECK_PROGS_VERSION {{{
+AC_DEFUN([CY_CHECK_PROGS_VERSION], [
+    AC_ARG_VAR(]$1[, ]$3[)
+
+    AC_MSG_CHECKING(for ]$2[ >= ]$5[)
+    AC_PATH_PROGS_FEATURE_CHECK(]$1[, ]$2[,
+        AS_VAR_SET(version, [`$ac_path_]$1[ ]$4[`])
+        AS_VAR_IF(version, [], ,
+            AS_VERSION_COMPARE($version, ]$5[, ,
+                ac_cv_path_]$1[=$ac_path_]$1[,
+                ac_cv_path_]$1[=$ac_path_]$1[))
+    , AC_MSG_RESULT(no))
+
+    AS_IF([true], [
+        AC_SUBST(]$1[, $ac_cv_path_]$1[)
+        AC_MSG_RESULT($]$1[)
+    ], AS_IF([true], [
+        AC_MSG_ERROR(You need ]$2[ ]$5[ or greater)
+    ], [
+        AC_SUBST(]$1[, [:])
+        AC_MSG_RESULT([no])
+    ]))
+]) dnl }}}
+
+CY_CHECK_PROGS_VERSION([BISON], [bison], [GNU Project parser generator (yacc replacement)],
+    [-V | $SED -e '1 s/^bison (GNU Bison) \(.*\)$/\1/p;d'], [2.3])
+CY_CHECK_PROGS_VERSION([FLEX], [flex], [the fast lexical analyser generator],
+    [--version | $SED -e '1 s/^@<:@^0-9.@:>@* \(@<:@0-9.@:>@*\).*$/\1/p;d'], [2.5.33])
+CY_CHECK_PROGS_VERSION([GPERF], [gperf], [perfect hash function generator],
+    [--version | $SED -e '1 s/^.* \(@<:@0-9.@:>@*\)$/\1/p;d'], [3.0.3])
+CY_CHECK_PROGS_VERSION([GNUTAR], [tar gtar gnutar], [a very sticky lump of files],
+    [--version | $SED -e '1 s/^tar (GNU tar) \(.*\)$/\1/p;d'], [1.19])
+
+AC_PROG_INSTALL
+
+AC_PROG_CXX
+AC_PROG_OBJCXX
+
+dnl CY_TRY {{{
+AC_DEFUN([CY_SUCCESS], [cy_good=1])
+AC_DEFUN([CY_FAILURE], [cy_good=0])
+
+AC_DEFUN([CY_TRY], [
+    cy_save=$]$1[
+        AC_LIB_APPENDTOVAR(]$1[, ]$2[)
+        ]$3[
+    ]$1[=$cy_save
+    AS_IF([test "x$cy_good" = x1], ]$4[, ]$5[)
+]) dnl }}}
+
+AC_DEFUN([CY_COMPILE_FLAG], [
+    AC_LIB_APPENDTOVAR([CFLAGS], ]$1[)
+    AC_LIB_APPENDTOVAR([CXXFLAGS], ]$1[)
+    AC_LIB_APPENDTOVAR([OBJCCXXFLAGS], ]$1[)
+])
+
+AC_DEFUN([CY_TEST_FLAG], [
+    AC_MSG_CHECKING([for ]]$1[)
+    CY_TRY([CXXFLAGS], $1, [
+        AC_COMPILE_IFELSE([AC_LANG_SOURCE([])],
+            [CY_SUCCESS], [CY_FAILURE])
+    ], [
+        AC_MSG_RESULT([yes])
+        CY_COMPILE_FLAG($1)
+    ], [AC_MSG_RESULT([no])])
+])
+
+AX_CFLAGS_WARN_ALL
+AX_CXXFLAGS_WARN_ALL
+
+CY_TEST_FLAG([-Wno-overloaded-virtual])
+CY_TEST_FLAG([-Wno-parentheses])
+CY_TEST_FLAG([-Wno-unneeded-internal-declaration])
+
+dnl -arch * {{{
+for cy_arch in ppc ppc64 i386 x86_64 armv6; do
+    AC_MSG_CHECKING([for -arch $cy_arch])
+    CY_TRY([CXXFLAGS], ["-arch $cy_arch"], [
+        AC_TRY_LINK([], [], [CY_SUCCESS], [CY_FAILURE])
+    ], [
+        AC_MSG_RESULT([yes])
+        CY_COMPILE_FLAG(["-arch $cy_arch"])
+        AC_LIB_APPENDTOVAR([LDFLAGS], ["-arch $cy_arch"])
+    ], [AC_MSG_RESULT([no])])
+done dnl }}}
+
+dnl --with-frameworks {{{
+AC_ARG_WITH([frameworks], [AS_HELP_STRING(
+    [--with-frameworks=DIRS],
+    [add to DIRS (space separated) to the Darwin include path for frameworks with -F]
+)], [
+    for cy_framework in $withval; do
+        CY_COMPILE_FLAG([-F$cy_framework])
+    done
+]) dnl }}}
+dnl --enable-javascript {{{
+AC_DEFUN([CY_CHECK_JAVASCRIPTCORE], [
+    PKG_CHECK_MODULES([WEBKIT], [webkit-1.0], [
+        AC_SUBST([CY_EXECUTE], [1])
+        AC_LIB_APPENDTOVAR([CXXFLAGS], [`$PKG_CONFIG --cflags webkit-1.0`])
+        AC_LIB_APPENDTOVAR([LIBS], [`$PKG_CONFIG --libs webkit-1.0`])
+    ], [
+        PKG_CHECK_MODULES([WEBKIT], [WebKitGtk], [
+            AC_SUBST([CY_EXECUTE], [1])
+            AC_LIB_APPENDTOVAR([CXXFLAGS], [`$PKG_CONFIG --cflags WebKitGtk`])
+            AC_LIB_APPENDTOVAR([LIBS], [`$PKG_CONFIG --libs WebKitGtk`])
+        ], [
+            AC_CHECK_FRAMEWORK([JavaScriptCore], [
+                #include <JavaScriptCore/JSBase.h>
+            ], [
+                JSEvaluateScript(0, 0, 0, 0, 0, 0);
+            ], [
+                AC_SUBST([CY_EXECUTE], [1])
+            ])
+        ])
+    ])

 ])
 ])

-AC_MSG_CHECKING([if flex is >= 2.5.35])
-AS_VERSION_COMPARE([$FLEX_VERSION], [2.5.35], [
-       AC_MSG_RESULT([no])
-       AC_MSG_ERROR([You need flex 2.5.35 or greater])
-], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([yes])])
-AC_SUBST([FLEX])
-AC_CHECK_PROGS([_BASH], [bash])
-AC_CHECK_PROGS([GPERF], [gperf])
-AC_CHECK_PROGS([TIME], [time])
+
+AC_DEFUN([CY_CHECK_JAVASCRIPT], [
+    CY_CHECK_JAVASCRIPTCORE])
+
+AC_ARG_ENABLE([javascript], [AS_HELP_STRING(
+    [--enable-javascript@<:@=ENGINE@:>@],
+    [use a JavaScript runtime (currently the only available option for ENGINE is JavaScriptCore) @<:@default=yes@:>@]
+)], [
+    AS_CASE([$enableval],
+        [yes], [
+            CY_CHECK_JAVASCRIPT],
+        [no], [
+            AC_SUBST([CY_EXECUTE], [0])],
+        [JavaScriptCore], [
+            CY_CHECK_JAVASCRIPTCORE],
+        [AC_MSG_ERROR([Unknown JavaScript engine: $enableval])])
+], [CY_CHECK_JAVASCRIPT])
+dnl }}}
+
+dnl APR_FIND_APR {{{

 APR_FIND_APR([], [], [1], [1])
 AS_CASE([$apr_found], [yes], [
 APR_FIND_APR([], [], [1], [1])
 AS_CASE([$apr_found], [yes], [

-       AC_LIB_APPENDTOVAR([CPPFLAGS], [`$apr_config --includes`])
-       AC_SUBST([LTLIBAPR], [`$apr_config --link-libtool`])
-], [AC_MSG_ERROR([You need apr])])
+    AC_LIB_APPENDTOVAR([CPPFLAGS], [`$apr_config --includes`])
+    AC_SUBST([LTLIBAPR], [`$apr_config --link-libtool`])
+], [AC_MSG_ERROR([missing "libapr"])])
+dnl }}}
+
+AC_DEFUN([CY_CHECK_PKG_CONFIG_LIBFFI], [
+    PKG_CHECK_MODULES([LIBFFI], [libffi], [
+        AC_LIB_APPENDTOVAR([CXXFLAGS], [`$PKG_CONFIG --cflags libffi`])
+        AC_LIB_APPENDTOVAR([LIBS], [`$PKG_CONFIG --libs libffi`])
+    ], [AC_MSG_ERROR([missing "libffi"])])])
+
+AS_CASE([$CY_EXECUTE], [1], [
+    AC_CHECK_HEADERS([ffi.h ffi/ffi.h], [break])
+    AS_IF([test "x$ac_cv_header_ffi_h" = xno && test "x$ac_cv_header_ffi_ffi_h" = xno], [
+        CY_CHECK_PKG_CONFIG_LIBFFI
+    ], [
+        AC_SEARCH_LIBS([ffi_call], [ffi])
+        AS_CASE([$ac_cv_search_ffi_call], [no], [CY_CHECK_PKG_CONFIG_LIBFFI])
+    ])
+
+    AC_LANG_PUSH([Objective C++])
+
+    AC_MSG_CHECKING([if we really have Objective C++])
+    AC_COMPILE_IFELSE([AC_LANG_SOURCE([])], [
+        CY_OBJECTIVEC=1
+        AC_MSG_RESULT([yes])
+    ], [AC_MSG_RESULT([no])])
+
+    AS_IF([test "x$CY_OBJECTIVEC" = x1], [
+        AC_CHECK_FRAMEWORK([CoreFoundation], [
+            #include <CoreFoundation/CFBase.h>
+        ], [CFAllocatorGetDefault();], [
+            AC_SUBST([CY_OBJECTIVEC])
+
+            AC_CHECK_FRAMEWORK([Foundation], [
+                #include <Foundation/NSObject.h>
+            ], [[[[NSObject alloc] init];]])
+
+            AC_CHECK_FRAMEWORK([WebKit], [
+                #include <WebKit/WebScriptObject.h>
+            ], [[[[WebScriptObject alloc] init];]])
+        ], [
+            AC_ARG_VAR([GNUSTEP_CONFIG], [prints information about the current gnustep installation])
+            AC_CHECK_PROGS([GNUSTEP_CONFIG], [gnustep-config])
+
+            AS_IF([test "x$GNUSTEP_CONFIG" != x], [
+                AC_SUBST([CY_OBJECTIVEC])
+                AC_LIB_APPENDTOVAR([OBJCXXFLAGS], [`$GNUSTEP_CONFIG --objc-flags`])
+                AC_LIB_APPENDTOVAR([LIBS], [`$GNUSTEP_CONFIG --base-libs`])
+            ], [AC_SUBST([CY_OBJECTIVEC], [0])])
+        ])
+    ])
+
+    AC_LANG_POP([Objective C++])
+])
+

 VL_LIB_READLINE
 VL_LIB_READLINE

-AC_PROG_CXX
-AC_PROG_INSTALL
+AS_CASE([$vl_cv_lib_readline], [no], [AC_MSG_ERROR([missing "libreadline"])])
+
+dnl XXX: saurik doesn't understand what this does
+dnl AM_ICONV {{{
+AC_LANG_PUSH([C])

 AM_ICONV
 AM_ICONV

-AS_CASE([$am_cv_func_iconv], [yes], [], [AC_MSG_ERROR([You need iconv])])
-PKG_CHECK_MODULES([WEBKIT], [webkit-1.0], [WEBKIT=yes], [
-       PKG_CHECK_MODULES([WEBKIT], [WebKitGtk], [WEBKIT=yes], [WEBKIT=no])
+AS_CASE([$am_cv_func_iconv], [yes], [], [
+    for cy_iconv_prefix_arg in $CFLAGS $CXXFLAGS $OBJCXXFLAGS $LDFLAGS $LIBS; do
+        AS_CASE([$cy_iconv_prefix_arg], [-I*], [
+            AC_LIB_APPENDTOVAR([cy_iconv_prefixes], [`echo $cy_iconv_prefix_arg | sed -e 's/^-I//;s|/include$||'`])
+        ], [-L*], [
+            AC_LIB_APPENDTOVAR([cy_iconv_prefixes], [`echo $cy_iconv_prefix_arg | sed -e 's/^-L//;s|/lib$||'`])
+        ])
+    done
+    for with_libiconv_prefix in $cy_iconv_prefixes; do
+        AS_UNSET([am_cv_func_iconv])
+        AM_ICONV_LINKFLAGS_BODY
+        AM_ICONV
+    done

 ])
 ])

-AS_CASE([$WEBKIT], [yes], [
-       PKG_CHECK_MODULES([LIBFFI], [libffi], [], [
-               AC_CHECK_HEADERS([ffi.h ffi/ffi.h], [break])
-               AS_IF([test "x$ac_cv_header_ffi_h" = xno && test "x$ac_cv_header_ffi_ffi_h" = xno], [
-                       AC_MSG_ERROR([You need libffi])
-               ])
-               AC_SEARCH_LIBS([ffi_call], [ffi])
-               AS_CASE([$ac_cv_search_ffi_call], [no], [
-                       AC_MSG_ERROR([You need libffi])
-               ])
-       ])
-], [AC_MSG_WARN(No JavaScript engine!)])
-CHECK_GNU_MAKE
-AS_IF([test "x$_cv_gnu_make_command" = x], [AC_MSG_ERROR([You need GNU make])])
-# XXX: gnustep
-AC_PROG_OBJCXX
+AS_CASE([$am_cv_func_iconv], [yes], [], [AC_MSG_ERROR([missing "libiconv"])])
+AC_LANG_POP([C])
+dnl }}}
+
+AC_SUBST([LTFLAGS])
+AC_SUBST([SO], [$acl_shlibext])
+
+AC_CHECK_HEADER([mach/mach.h], [
+    AC_CHECK_TOOLS([_OTOOL], [otool], [AC_MSG_ERROR([missing "otool"])])
+    AC_CHECK_TOOLS([_LIPO], [lipo], [AC_MSG_ERROR([missing "lipo"])])
+    AC_CHECK_TOOLS([_NM], [nm], [AC_MSG_ERROR([missing "nm"])])
+    AC_SUBST([CY_MACH], [1])
+    AC_SUBST([CY_ATTACH_GROUP], [procmod])
+])
+
+AS_IF([test "x$GMAKE" != xmake], [
+    AC_CONFIG_FILES([Makefile])])

 AC_CONFIG_FILES([GNUmakefile])
 AC_CONFIG_FILES([GNUmakefile])

+

 AC_OUTPUT
 AC_OUTPUT