[gcr] Work around for gdbus-codegen bug

[Stefan Walter <stefw src gnome org>]

commit ace7c1570556c44d1292e74a187ce75e53a4a991
Author: Stef Walter <stefw redhat com>
Date:   Sun Mar 23 09:12:50 2014 +0100

    Work around for gdbus-codegen bug
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710133

 Makefile.am                 |    6 +++++-
 build/gdbus-unbreak-codegen |   36 ++++++++++++++++++++++++++++++++++++
 gcr/Makefile.am             |    2 +-
 3 files changed, 42 insertions(+), 2 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index af36e6a..aca4c6b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -108,10 +108,14 @@ EXTRA_DIST = \
        build/enum-template.h \
        build/g-ir-unbreak.xsl \
        build/tap-driver \
-       build/tap-gtester
+       build/tap-gtester \
+       build/gdbus-unbreak-codegen \
+       $(NULL)
 
 TEST_SUPPRESSIONS = $(top_builddir)/build/valgrind-suppressions
 
+GDBUS_CODEGEN = $(top_srcdir)/build/gdbus-unbreak-codegen
+
 V_SED = $(V_SED_$(V))
 V_SED_ = $(V_SED_$(AM_DEFAULT_VERBOSITY))
 V_SED_0 = @echo "  SED     " $@;
diff --git a/build/gdbus-unbreak-codegen b/build/gdbus-unbreak-codegen
new file mode 100755
index 0000000..7ea6c22
--- /dev/null
+++ b/build/gdbus-unbreak-codegen
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+set -uef
+
+generate_c_code=
+next_arg_is_name="no"
+
+for arg in "$@"; do
+       if [ "$next_arg_is_name" = "yes" ]; then
+               generate_c_code="$arg"
+               next_arg_is_name="no"
+               continue
+       fi
+       case "$arg" in
+       --generate-c-code)
+               next_arg_is_name="yes"
+               ;;
+       --generate-c-code=*)
+               generate_c_code="${arg#--generate-c-code=}"
+               ;;
+       esac
+done
+
+gdbus-codegen "$@"
+
+if [ -n "$generate_c_code" ]; then
+       # HACK: This is a work around for gdbus-codegen crashing when
+       # we build with GLIB_VERSION_MAX_ALLOWED. See:
+       # https://bugzilla.gnome.org/show_bug.cgi?id=710133
+       sed -e '1i\
+#ifdef GLIB_VERSION_MAX_ALLOWED\
+#undef GLIB_VERSION_MAX_ALLOWED\
+#endif' \
+               "$generate_c_code.c" > "$generate_c_code.$$"
+       mv "$generate_c_code.$$" "$generate_c_code.c"
+fi
diff --git a/gcr/Makefile.am b/gcr/Makefile.am
index 1bfc1bc..2be0658 100644
--- a/gcr/Makefile.am
+++ b/gcr/Makefile.am
@@ -157,7 +157,7 @@ DBUS_XML_DEFINITIONS = \
        gcr/org.gnome.keyring.Prompter.xml
 
 gcr/gcr-dbus-generated.c: $(DBUS_XML_DEFINITIONS)
-       $(AM_V_GEN) gdbus-codegen --interface-prefix org.gnome.keyring.internal. \
+       $(AM_V_GEN) $(GDBUS_CODEGEN) --interface-prefix org.gnome.keyring.internal. \
                --generate-c-code gcr/gcr-dbus-generated --c-namespace GcrDBus $^
        $(AM_V_GEN) sed -i -e 's/gcr_dbus/_gcr_dbus/g' gcr/gcr-dbus-generated.[ch]