1 dnl macros to check for JavaScriptCore and WebKit/Gtk+ dependencies
3 dnl The rationale is so that we can share these macros between
4 dnl WebKit and JavaScriptCore builds.
7 m4_define([initialized], [no])
9 AC_DEFUN([INIT_C_CXX_FLAGS],
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 "$CXXFLAGS"; then
17 if test -z "$CFLAGS"; then
22 AC_DEFUN_ONCE([WEBKIT_INIT],
24 dnl check if we have the required packages to have successful checks
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])
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 ${CXX} supports -fvisibility=hidden -fvisibility-inlines-hidden])
34 AC_COMPILE_IFELSE([char foo;],
35 [ AC_MSG_RESULT([yes])
36 SYMBOL_VISIBILITY="-fvisibility=hidden" SYMBOL_VISIBILITY_INLINES="-fvisibility-inlines-hidden" ],
38 CFLAGS="$saved_CFLAGS"
39 AC_SUBST(SYMBOL_VISIBILITY)
40 AC_SUBST(SYMBOL_VISIBILITY_INLINES)
42 # check for pkg-config
43 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
44 if test "$PKG_CONFIG" = "no"; then
45 AC_MSG_ERROR([Cannot find pkg-config, make sure it is installed in your PATH])
48 AC_PATH_PROG(PERL, perl)
49 if test -z "$PERL"; then
50 AC_MSG_ERROR([You need 'perl' to compile WebKit])
53 AC_PATH_PROG(PYTHON, python)
54 if test -z "$PYTHON"; then
55 AC_MSG_ERROR([You need 'python' to compile WebKit])
58 AC_PATH_PROG(BISON, bison)
59 if test -z "$BISON"; then
60 AC_MSG_ERROR([You need the 'bison' parser generator to compile WebKit])
64 if test -z "$MV"; then
65 AC_MSG_ERROR([You need 'mv' to compile WebKit])
68 AC_REQUIRE([AC_PROG_CC])
69 AC_REQUIRE([AC_PROG_CXX])
75 # Check whether a C++ was found (AC_PROG_CXX sets $CXX to "g++" even when it
78 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],[],[AC_MSG_ERROR([No C++ compiler found])])
81 # C/C++ Language Features
87 AC_REQUIRE([AC_HEADER_STDC])
90 m4_define([initialized], [yes])
93 AC_DEFUN_ONCE([WEBKIT_CHECK_DEPENDENCIES],
95 dnl check for module dependencies
99 glib) _WEBKIT_CHECK_GLIB ;;
100 unicode) _WEBKIT_CHECK_UNICODE ;;
101 *) AC_MSG_ERROR([I don't support that module. Sorry..]) ;;
107 AC_DEFUN_ONCE([_WEBKIT_CHECK_GLIB],
110 # Version requirements
111 GLIB_REQUIRED_VERSION=2.21.3
112 GOBJECT_REQUIRED_VERSION=2.0
113 GTHREAD_REQUIRED_VERSION=2.0
115 PKG_CHECK_MODULES([GLIB],
116 [glib-2.0 >= $GLIB_REQUIRED_VERSION
117 gobject-2.0 >= $GOBJECT_REQUIRED_VERSION
118 gthread-2.0 >= $GTHREAD_REQUIRED_VERSION])
119 AC_SUBST([GLIB_CFLAGS])
120 AC_SUBST([GLIB_LIBS])
123 # Check for glib-genmarshal and glib-mkenums
124 AC_PATH_PROG([GLIB_GENMARSHAL], [glib-genmarshal])
125 AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])
126 if test -z "$GLIB_GENMARSHAL" || test -z "$GLIB_MKENUMS"; then
127 AC_MSG_ERROR([You need the GLib dev tools in your path])
131 AC_DEFUN_ONCE([_WEBKIT_CHECK_UNICODE],
133 dnl determine the Unicode backend
134 AC_MSG_CHECKING([which Unicode backend to use])
135 AC_ARG_WITH(unicode_backend,
136 AC_HELP_STRING([--with-unicode-backend=@<:@icu/glib@:>@],
137 [Select Unicode backend (WARNING: the glib-based backend is slow, and incomplete) [default=icu]]),
138 [],[with_unicode_backend="icu"])
140 case "$with_unicode_backend" in
142 *) AC_MSG_ERROR([Invalid Unicode backend: must be icu or glib.]) ;;
145 AC_MSG_RESULT([$with_unicode_backend])
147 if test "$with_unicode_backend" = "icu"; then
150 UNICODE_CFLAGS="-I$srcdir/JavaScriptCore/icu -I$srcdir/WebCore/icu"
151 UNICODE_LIBS="-licucore"
155 UNICODE_LIBS="-licuin -licuuc"
158 AC_PATH_PROG(icu_config, icu-config, no)
159 if test "$icu_config" = "no"; then
160 AC_MSG_ERROR([Cannot find icu-config. The ICU library is needed.])
163 # We don't use --cflags as this gives us a lot of things that we don't
164 # necessarily want, like debugging and optimization flags
165 # See man (1) icu-config for more info.
166 UNICODE_CFLAGS=`$icu_config --cppflags`
167 UNICODE_LIBS=`$icu_config --ldflags-libsonly`
172 if test "$with_unicode_backend" = "glib"; then
173 PKG_CHECK_MODULES([UNICODE], [glib-2.0 pango >= 1.21.0])
176 AC_SUBST([UNICODE_CFLAGS])
177 AC_SUBST([UNICODE_LIBS])