nixpkgs/pkgs/development/compilers/vala/gvc-compat.patch

diff --git i/libvaladoc/Makefile.am w/libvaladoc/Makefile.am
index 8dc398cf1..a5d8a45b4 100644
--- i/libvaladoc/Makefile.am
+++ w/libvaladoc/Makefile.am
@@ -176,9 +176,13 @@ endif
 libvaladoc@PACKAGE_SUFFIX@_la_SOURCES = \
 	libvaladoc.vala.stamp \
 	$(libvaladoc_la_VALASOURCES:.vala=.c) \
-	gvc-compat.c \
 	$(NULL)
 
+if ENABLE_GRAPHVIZ
+libvaladoc@PACKAGE_SUFFIX@_la_SOURCES += \
+	gvc-compat.c
+endif
+
 valadoc@PACKAGE_SUFFIX@.vapi valadoc.h: libvaladoc.vala.stamp
 libvaladoc.vala.stamp: $(libvaladoc_la_VALASOURCES)
 	$(VALA_V)$(VALAC) \
vala_0_38, vala_0_40, vala_0_42: add configuration to disable graphviz This allows building Vala without support for Graphviz; useful for more minimal installs where we don't want to pull it (and transitively, pango, gd, etc.) in as a dependency. 2018-12-28 07:11:09 +00:00			`diff --git i/libvaladoc/Makefile.am w/libvaladoc/Makefile.am`
			`index 8dc398cf1..a5d8a45b4 100644`
			`--- i/libvaladoc/Makefile.am`
			`+++ w/libvaladoc/Makefile.am`
			`@@ -176,9 +176,13 @@ endif`
			`libvaladoc@PACKAGE_SUFFIX@_la_SOURCES = \`
			`libvaladoc.vala.stamp \`
			`$(libvaladoc_la_VALASOURCES:.vala=.c) \`
			`- gvc-compat.c \`
			`$(NULL)`

			`+if ENABLE_GRAPHVIZ`
			`+libvaladoc@PACKAGE_SUFFIX@_la_SOURCES += \`
			`+ gvc-compat.c`
			`+endif`
			`+`
			`valadoc@PACKAGE_SUFFIX@.vapi valadoc.h: libvaladoc.vala.stamp`
			`libvaladoc.vala.stamp: $(libvaladoc_la_VALASOURCES)`
			`$(VALA_V)$(VALAC) \`