1 dnl macros to check for JavaScriptCore and WebKit/Gtk+ dependencies 2 dnl 3 dnl The rationale is so that we can share these macros between 4 dnl WebKit and JavaScriptCore builds. 5 6 # global states 7 m4_define([initialized], [no]) 8 9 AC_DEFUN([INIT_C_CXX_FLAGS], 10 [dnl 11 # If CXXFLAGS and CFLAGS are unset, default to empty. 12 # This is to tell automake not to include '-g' if CXXFLAGS is not set 13 # For more info - http://www.gnu.org/software/automake/manual/autoconf.html#C_002b_002b-Compiler 14 if test -z "$CXXFLAGS"; then 15 CXXFLAGS="" 16 fi 17 if test -z "$CFLAGS"; then 18 CFLAGS="" 19 fi 20 ]) 21 22 AC_DEFUN_ONCE([WEBKIT_INIT], 23 [dnl 24 dnl check if we have the required packages to have successful checks 25 dnl 26 # Make sure CXXFLAGS and CFLAGS are set before expanding AC_PROG_CXX to avoid 27 # building with '-g -O2' on Release builds. 28 AC_REQUIRE([INIT_C_CXX_FLAGS]) 29 30 # check for -fvisibility=hidden compiler support (GCC >= 4) 31 saved_CFLAGS="$CFLAGS" 32 CFLAGS="$CFLAGS -fvisibility=hidden -fvisibility-inlines-hidden" 33 AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden -fvisibility-inlines-hidden]) 34 AC_COMPILE_IFELSE([char foo;], 35 [ AC_MSG_RESULT([yes]) 36 SYMBOL_VISIBILITY="-fvisibility=hidden" SYMBOL_VISIBILITY_INLINES="-fvisibility-inlines-hidden" ], 37 AC_MSG_RESULT([no])) 38 CFLAGS="$saved_CFLAGS" 39 AC_SUBST(SYMBOL_VISIBILITY) 40 AC_SUBST(SYMBOL_VISIBILITY_INLINES) 41 42 # check for pkg-config 43 AC_PATH_PROG(PKG_CONFIG, pkg-config, no) 44 if test "$PKG_CONFIG" = "no"; then 45 AC_MSG_ERROR([Cannot find pkg-config, make sure it is installed in your PATH]) 46 fi 47 48 AC_PATH_PROG(PERL, perl) 49 if test -z "$PERL"; then 50 AC_MSG_ERROR([You need 'perl' to compile WebKit]) 51 fi 52 53 AC_PATH_PROG(PYTHON, python) 54 if test -z "$PYTHON"; then 55 AC_MSG_ERROR([You need 'python' to compile WebKit]) 56 fi 57 58 AC_PATH_PROG(BISON, bison) 59 if test -z "$BISON"; then 60 AC_MSG_ERROR([You need the 'bison' parser generator to compile WebKit]) 61 fi 62 63 AC_PATH_PROG(MV, mv) 64 if test -z "$MV"; then 65 AC_MSG_ERROR([You need 'mv' to compile WebKit]) 66 fi 67 68 AC_REQUIRE([AC_PROG_CC]) 69 AC_REQUIRE([AC_PROG_CXX]) 70 AM_PROG_CC_STDC 71 AM_PROG_CC_C_O 72 AC_PROG_INSTALL 73 AC_SYS_LARGEFILE 74 75 # Check whether a C++ was found (AC_PROG_CXX sets $CXX to "g++" even when it 76 # doesn't exist) 77 AC_LANG_PUSH([C++]) 78 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],[],[AC_MSG_ERROR([No C++ compiler found])]) 79 AC_LANG_POP([C++]) 80 81 # C/C++ Language Features 82 AC_C_CONST 83 AC_C_INLINE 84 AC_C_VOLATILE 85 86 # C/C++ Headers 87 AC_REQUIRE([AC_HEADER_STDC]) 88 AC_HEADER_STDBOOL 89 90 m4_define([initialized], [yes]) 91 ]) 92 93 AC_DEFUN_ONCE([WEBKIT_CHECK_DEPENDENCIES], 94 [dnl 95 dnl check for module dependencies 96 for module in $1 97 do 98 case $module in 99 glib) _WEBKIT_CHECK_GLIB ;; 100 unicode) _WEBKIT_CHECK_UNICODE ;; 101 *) AC_MSG_ERROR([I don't support that module. Sorry..]) ;; 102 103 esac 104 done 105 ]) 106 107 AC_DEFUN_ONCE([_WEBKIT_CHECK_GLIB], 108 [dnl 109 dnl check for glib 110 # Version requirements 111 GLIB_REQUIRED_VERSION=2.27.90 112 AM_PATH_GLIB_2_0($GLIB_REQUIRED_VERSION) 113 if test -z "$GLIB_GENMARSHAL" || test -z "$GLIB_MKENUMS"; then 114 AC_MSG_ERROR([You need the GLib dev tools in your path]) 115 fi 116 GLIB_GSETTINGS 117 ]) 118 119 AC_DEFUN_ONCE([_WEBKIT_CHECK_UNICODE], 120 [dnl 121 dnl determine the Unicode backend 122 AC_MSG_CHECKING([which Unicode backend to use]) 123 AC_ARG_WITH(unicode_backend, 124 AC_HELP_STRING([--with-unicode-backend=@<:@icu/glib@:>@], 125 [Select Unicode backend (WARNING: the glib-based backend is slow, and incomplete) [default=icu]]), 126 [],[with_unicode_backend="icu"]) 127 128 case "$with_unicode_backend" in 129 icu|glib) ;; 130 *) AC_MSG_ERROR([Invalid Unicode backend: must be icu or glib.]) ;; 131 esac 132 133 AC_MSG_RESULT([$with_unicode_backend]) 134 135 if test "$with_unicode_backend" = "icu"; then 136 case "$host" in 137 *-*-darwin*) 138 UNICODE_CFLAGS="-I$srcdir/Source/JavaScriptCore/icu -I$srcdir/Source/WebCore/icu" 139 UNICODE_LIBS="-licucore" 140 ;; 141 *-*-mingw*) 142 UNICODE_CFLAGS="" 143 UNICODE_LIBS="-licuin -licuuc" 144 ;; 145 *) 146 AC_PATH_PROG(icu_config, icu-config, no) 147 if test "$icu_config" = "no"; then 148 AC_MSG_ERROR([Cannot find icu-config. The ICU library is needed.]) 149 fi 150 151 # We don't use --cflags as this gives us a lot of things that we don't 152 # necessarily want, like debugging and optimization flags 153 # See man (1) icu-config for more info. 154 UNICODE_CFLAGS=`$icu_config --cppflags` 155 UNICODE_LIBS=`$icu_config --ldflags-libsonly` 156 ;; 157 esac 158 fi 159 160 if test "$with_unicode_backend" = "glib"; then 161 PKG_CHECK_MODULES([UNICODE], [glib-2.0 pango >= 1.21.0]) 162 fi 163 164 AC_SUBST([UNICODE_CFLAGS]) 165 AC_SUBST([UNICODE_LIBS]) 166 ]) 167
