Add support for GObject introspection and vala

- Fix bug #15135

2 files changed, 197 insertions, 0 deletions

diff --git a/m4/introspection.m4 b/m4/introspection.m4
new file mode 100644
index 0000000..aa7b3b4
--- /dev/null
+++ b/m4/introspection.m4
@@ -0,0 +1,96 @@
+dnl -*- mode: autoconf -*-
+dnl Copyright 2009 Johan Dahlin
+dnl
+dnl This file is free software; the author(s) gives unlimited
+dnl permission to copy and/or distribute it, with or without
+dnl modifications, as long as this notice is preserved.
+dnl
+
+# serial 1
+
+m4_define([_GOBJECT_INTROSPECTION_CHECK_INTERNAL],
+[
+    AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first
+    AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first
+    AC_BEFORE([LT_INIT],[$0])dnl setup libtool first
+
+    dnl enable/disable introspection
+    m4_if([$2], [require],
+    [dnl
+        enable_introspection=yes
+    ],[dnl
+        AC_ARG_ENABLE(introspection,
+                  AS_HELP_STRING([--enable-introspection[=@<:@no/auto/yes@:>@]],
+                                 [Enable introspection for this build]),,
+                                 [enable_introspection=auto])
+    ])dnl
+
+    AC_MSG_CHECKING([for gobject-introspection])
+
+    dnl presence/version checking
+    AS_CASE([$enable_introspection],
+    [no], [dnl
+        found_introspection="no (disabled, use --enable-introspection to enable)"
+    ],dnl
+    [yes],[dnl
+        PKG_CHECK_EXISTS([gobject-introspection-1.0],,
+                         AC_MSG_ERROR([gobject-introspection-1.0 is not installed]))
+        PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1],
+                         found_introspection=yes,
+                         AC_MSG_ERROR([You need to have gobject-introspection >= $1 installed to build AC_PACKAGE_NAME]))
+    ],dnl
+    [auto],[dnl
+        PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1], found_introspection=yes, found_introspection=no)
+	dnl Canonicalize enable_introspection
+	enable_introspection=$found_introspection
+    ],dnl
+    [dnl
+        AC_MSG_ERROR([invalid argument passed to --enable-introspection, should be one of @<:@no/auto/yes@:>@])
+    ])dnl
+
+    AC_MSG_RESULT([$found_introspection])
+
+    INTROSPECTION_SCANNER=
+    INTROSPECTION_COMPILER=
+    INTROSPECTION_GENERATE=
+    INTROSPECTION_GIRDIR=
+    INTROSPECTION_TYPELIBDIR=
+    if test "x$found_introspection" = "xyes"; then
+       INTROSPECTION_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0`
+       INTROSPECTION_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0`
+       INTROSPECTION_GENERATE=`$PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0`
+       INTROSPECTION_GIRDIR=`$PKG_CONFIG --variable=girdir gobject-introspection-1.0`
+       INTROSPECTION_TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)"
+       INTROSPECTION_CFLAGS=`$PKG_CONFIG --cflags gobject-introspection-1.0`
+       INTROSPECTION_LIBS=`$PKG_CONFIG --libs gobject-introspection-1.0`
+       INTROSPECTION_MAKEFILE=`$PKG_CONFIG --variable=datadir gobject-introspection-1.0`/gobject-introspection-1.0/Makefile.introspection
+    fi
+    AC_SUBST(INTROSPECTION_SCANNER)
+    AC_SUBST(INTROSPECTION_COMPILER)
+    AC_SUBST(INTROSPECTION_GENERATE)
+    AC_SUBST(INTROSPECTION_GIRDIR)
+    AC_SUBST(INTROSPECTION_TYPELIBDIR)
+    AC_SUBST(INTROSPECTION_CFLAGS)
+    AC_SUBST(INTROSPECTION_LIBS)
+    AC_SUBST(INTROSPECTION_MAKEFILE)
+
+    AM_CONDITIONAL(HAVE_INTROSPECTION, test "x$found_introspection" = "xyes")
+])
+
+
+dnl Usage:
+dnl   GOBJECT_INTROSPECTION_CHECK([minimum-g-i-version])
+
+AC_DEFUN([GOBJECT_INTROSPECTION_CHECK],
+[
+  _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1])
+])
+
+dnl Usage:
+dnl   GOBJECT_INTROSPECTION_REQUIRE([minimum-g-i-version])
+
+
+AC_DEFUN([GOBJECT_INTROSPECTION_REQUIRE],
+[
+  _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1], [require])
+])
diff --git a/m4/vapigen.m4 b/m4/vapigen.m4
new file mode 100644
index 0000000..2c435e7
--- /dev/null
+++ b/m4/vapigen.m4
@@ -0,0 +1,101 @@
+dnl vapigen.m4
+dnl
+dnl Copyright 2012 Evan Nemerson
+dnl
+dnl This library is free software; you can redistribute it and/or
+dnl modify it under the terms of the GNU Lesser General Public
+dnl License as published by the Free Software Foundation; either
+dnl version 2.1 of the License, or (at your option) any later version.
+dnl
+dnl This library is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+dnl Lesser General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU Lesser General Public
+dnl License along with this library; if not, write to the Free Software
+dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+
+# VAPIGEN_CHECK([VERSION], [API_VERSION], [FOUND_INTROSPECTION], [DEFAULT])
+# --------------------------------------
+# Check vapigen existence and version
+#
+# See http://live.gnome.org/Vala/UpstreamGuide for detailed documentation
+AC_DEFUN([VAPIGEN_CHECK],
+[
+  AS_IF([test "x$3" != "xyes"], [
+      m4_provide_if([GOBJECT_INTROSPECTION_CHECK], [], [
+          m4_provide_if([GOBJECT_INTROSPECTION_REQUIRE], [], [
+              AC_MSG_ERROR([[You must call GOBJECT_INTROSPECTION_CHECK or GOBJECT_INTROSPECTION_REQUIRE before using VAPIGEN_CHECK unless using the FOUND_INTROSPECTION argument is "yes"]])
+            ])
+        ])
+    ])
+
+  AC_ARG_ENABLE([vala],
+    [AS_HELP_STRING([--enable-vala[=@<:@no/auto/yes@:>@]],[build Vala bindings @<:@default=]ifelse($4,,auto,$4)[@:>@])],,[
+      AS_IF([test "x$4" = "x"], [
+          enable_vala=auto
+        ], [
+          enable_vala=$4
+        ])
+    ])
+
+  AS_CASE([$enable_vala], [no], [enable_vala=no],
+      [yes], [
+        AS_IF([test "x$3" != "xyes" -a "x$found_introspection" != "xyes"], [
+            AC_MSG_ERROR([Vala bindings require GObject Introspection])
+          ])
+      ], [auto], [
+        AS_IF([test "x$3" != "xyes" -a "x$found_introspection" != "xyes"], [
+            enable_vala=no
+          ])
+      ], [
+        AC_MSG_ERROR([Invalid argument passed to --enable-vala, should be one of @<:@no/auto/yes@:>@])
+      ])
+
+  AS_IF([test "x$2" = "x"], [
+      vapigen_pkg_name=vapigen
+    ], [
+      vapigen_pkg_name=vapigen-$2
+    ])
+  AS_IF([test "x$1" = "x"], [
+      vapigen_pkg="$vapigen_pkg_name"
+    ], [
+      vapigen_pkg="$vapigen_pkg_name >= $1"
+    ])
+
+  PKG_PROG_PKG_CONFIG
+
+  PKG_CHECK_EXISTS([$vapigen_pkg], [
+      AS_IF([test "$enable_vala" = "auto"], [
+          enable_vala=yes
+        ])
+    ], [
+      AS_CASE([$enable_vala], [yes], [
+          AC_MSG_ERROR([$vapigen_pkg not found])
+        ], [auto], [
+          enable_vala=no
+        ])
+    ])
+
+  AC_MSG_CHECKING([for vapigen])
+
+  AS_CASE([$enable_vala],
+    [yes], [
+      VAPIGEN=`$PKG_CONFIG --variable=vapigen $vapigen_pkg_name`
+      VAPIGEN_MAKEFILE=`$PKG_CONFIG --variable=datadir $vapigen_pkg_name`/vala/Makefile.vapigen
+      AS_IF([test "x$2" = "x"], [
+          VAPIGEN_VAPIDIR=`$PKG_CONFIG --variable=vapidir $vapigen_pkg_name`
+        ], [
+          VAPIGEN_VAPIDIR=`$PKG_CONFIG --variable=vapidir_versioned $vapigen_pkg_name`
+        ])
+    ])
+
+  AC_MSG_RESULT([$enable_vala])
+
+  AC_SUBST([VAPIGEN])
+  AC_SUBST([VAPIGEN_VAPIDIR])
+  AC_SUBST([VAPIGEN_MAKEFILE])
+
+  AM_CONDITIONAL(ENABLE_VAPIGEN, test "x$enable_vala" = "xyes")
+])