[glib] build: Include Cocoa/Carbon in Libs.private if targetting Mac OS X

[Philip Withnall <pwithnall src gnome org>]

commit 8d037c678d8d3d0c0e4e1ddb22e47306567ed88a
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Thu Mar 20 12:32:36 2014 +0000

    build: Include Cocoa/Carbon in Libs.private if targetting Mac OS X
    
    This allows static linking against GIO on OS X, which would previously
    fail due to unresolved symbols from the above two frameworks.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=668152

 configure.ac   |   14 +++++++++-----
 gio-2.0.pc.in  |    2 +-
 glib-2.0.pc.in |    2 +-
 3 files changed, 11 insertions(+), 7 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1ede00f..b94e6f3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -213,13 +213,17 @@ AM_CONDITIONAL(MS_LIB_AVAILABLE, [test x$ms_librarian = xyes])
 
 AS_IF([test "x$glib_have_carbon" = "xyes"], [
   AC_DEFINE(HAVE_CARBON, 1, [define to 1 if Carbon is available])
-  LDFLAGS="$LDFLAGS -Wl,-framework,Carbon"
-])
+  CARBON_LIBS="-Wl,-framework,Carbon"
+  LDFLAGS="$LDFLAGS $CARBON_LIBS"
+], [CARBON_LIBS=""])
 
-if test "x$glib_have_cocoa" = "xyes"; then
+AS_IF([test "x$glib_have_cocoa" = "xyes"], [
   AC_DEFINE(HAVE_COCOA, 1, [define to 1 if Cocoa is available])
-  LDFLAGS="$LDFLAGS -Wl,-framework,Foundation"
-fi
+  COCOA_LIBS="-Wl,-framework,Foundation"
+  LDFLAGS="$LDFLAGS $COCOA_LIBS"
+], [COCOA_LIBS=""])
+
+AC_SUBST([COCOA_LIBS])
 
 dnl declare --enable-* args and collect ac_help strings
 AC_ARG_ENABLE(debug,
diff --git a/gio-2.0.pc.in b/gio-2.0.pc.in
index a61eaaf..899af0c 100644
--- a/gio-2.0.pc.in
+++ b/gio-2.0.pc.in
@@ -14,5 +14,5 @@ Version: @VERSION@
 Requires: glib-2.0 gobject-2.0
 Requires.private: gmodule-no-export-2.0
 Libs: -L${libdir} -lgio-2.0
-Libs.private: @ZLIB_LIBS@ @NETWORK_LIBS@ @SELINUX_LIBS@
+Libs.private: @ZLIB_LIBS@ @NETWORK_LIBS@ @SELINUX_LIBS@ @COCOA_LIBS@ @CARBON_LIBS@
 Cflags:
diff --git a/glib-2.0.pc.in b/glib-2.0.pc.in
index 4a8898e..275fc01 100644
--- a/glib-2.0.pc.in
+++ b/glib-2.0.pc.in
@@ -12,5 +12,5 @@ Description: C Utility Library
 Version: @VERSION@
 Requires.private: @PCRE_REQUIRES@
 Libs: -L${libdir} -lglib-2.0 @INTLLIBS@
-Libs.private: @G_THREAD_LIBS@ @G_LIBS_EXTRA@ @PCRE_LIBS@ @INTLLIBS@ @ICONV_LIBS@
+Libs.private: @G_THREAD_LIBS@ @G_LIBS_EXTRA@ @PCRE_LIBS@ @INTLLIBS@ @ICONV_LIBS@ @CARBON_LIBS@ @COCOA_LIBS@
 Cflags: -I${includedir}/glib-2.0 -I${libdir}/glib-2.0/include @GLIB_EXTRA_CFLAGS@