1 files changed, 94 insertions, 0 deletions
diff --git a/gnulib-local/m4/libcroco.m4 b/gnulib-local/m4/libcroco.m4
new file mode 100644
index 0000000..310a69e
--- /dev/null
+++ b/gnulib-local/m4/libcroco.m4
@@ -0,0 +1,94 @@
+# libcroco.m4 serial 2 (gettext-0.17)
+dnl Copyright (C) 2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([gl_LIBCROCO],
+[
+  dnl libcroco depends on libglib.
+  AC_REQUIRE([gl_LIBGLIB])
+
+  AC_MSG_CHECKING([whether included libcroco is requested])
+  AC_ARG_WITH([included-libcroco],
+    [  --with-included-libcroco  use the libcroco included here],
+    [gl_cv_libcroco_force_included=$withval],
+    [gl_cv_libcroco_force_included=no])
+  AC_MSG_RESULT([$gl_cv_libcroco_force_included])
+
+  gl_cv_libcroco_use_included="$gl_cv_libcroco_force_included"
+  LIBCROCO=
+  LTLIBCROCO=
+  INCCROCO=
+  if test "$gl_cv_libcroco_use_included" != yes; then
+    dnl Figure out whether we can use a preinstalled libcroco-0.6, or have to
+    dnl use the included one.
+    AC_CACHE_VAL([gl_cv_libcroco], [
+      gl_cv_libcroco=no
+      gl_cv_LIBCROCO=
+      gl_cv_LTLIBCROCO=
+      gl_cv_INCCROCO=
+      gl_save_LIBS="$LIBS"
+      dnl Search for libcroco and define LIBCROCO_0_6, LTLIBCROCO_0_6 and
+      dnl INCCROCO_0_6 accordingly.
+      dnl Don't use croco-0.6-config nor pkg-config, since it doesn't work when
+      dnl cross-compiling or when the C compiler in use is different from the
+      dnl one that built the library.
+      AC_LIB_LINKFLAGS_BODY([croco-0.6], [glib-2.0])
+      LIBS="$gl_save_LIBS $LIBCROCO_0_6"
+      AC_TRY_LINK([#include <libcroco-config.h>],
+        [const char *version = LIBCROCO_VERSION; return !version;],
+        [gl_cv_libcroco=yes
+         gl_cv_LIBCROCO="$LIBCROCO_0_6"
+         gl_cv_LTLIBCROCO="$LTLIBCROCO_0_6"
+        ])
+      if test "$gl_cv_libcroco" != yes; then
+        gl_save_CPPFLAGS="$CPPFLAGS"
+        CPPFLAGS="$CPPFLAGS $INCCROCO_0_6"
+        AC_TRY_LINK([#include <libcroco-config.h>],
+          [const char *version = LIBCROCO_VERSION; return !version;],
+          [gl_cv_libcroco=yes
+           gl_cv_LIBCROCO="$LIBCROCO_0_6"
+           gl_cv_LTLIBCROCO="$LTLIBCROCO_0_6"
+           gl_cv_INCCROCO="$INCCROCO_0_6"
+          ])
+        if test "$gl_cv_libcroco" != yes; then
+          dnl Often the include files are installed in
+          dnl /usr/include/libcroco-0.6/libcroco.
+          AC_TRY_LINK([#include <libcroco-0.6/libcroco/libcroco-config.h>],
+            [const char *version = LIBCROCO_VERSION; return !version;],
+            [gl_ABSOLUTE_HEADER([libcroco-0.6/libcroco/libcroco-config.h])
+             libcroco_include_dir=`echo "$gl_cv_absolute_libcroco_0_6_libcroco_libcroco_config_h" | sed -e 's,.libcroco-config\.h$,,'`
+             if test -d "$libcroco_include_dir"; then
+               gl_cv_libcroco=yes
+               gl_cv_LIBCROCO="$LIBCROCO_0_6"
+               gl_cv_LTLIBCROCO="$LTLIBCROCO_0_6"
+               gl_cv_INCCROCO="-I$libcroco_include_dir"
+             fi
+            ])
+        fi
+        CPPFLAGS="$gl_save_CPPFLAGS"
+      fi
+      LIBS="$gl_save_LIBS"
+    ])
+    AC_MSG_CHECKING([for libcroco])
+    AC_MSG_RESULT([$gl_cv_libcroco])
+    if test $gl_cv_libcroco = yes; then
+      LIBCROCO="$gl_cv_LIBCROCO"
+      LTLIBCROCO="$gl_cv_LTLIBCROCO"
+      INCCROCO="$gl_cv_INCCROCO"
+    else
+      gl_cv_libcroco_use_included=yes
+    fi
+  fi
+  AC_SUBST([LIBCROCO])
+  AC_SUBST([LTLIBCROCO])
+  AC_SUBST([INCCROCO])
+  AC_MSG_CHECKING([whether to use the included libcroco])
+  AC_MSG_RESULT([$gl_cv_libcroco_use_included])
+
+  AM_CONDITIONAL([INCLUDED_LIBCROCO],
+    [test "$gl_cv_libcroco_use_included" = yes])
+])