build-sys: really override CFLAGS for gtk-doc

In 29a00c41 an override was added, but commandline variables have
higher precedence than Makefile variables, so the override was not
effective for commandline variables.

While at it, duplicate for libudev.

diff --git a/docs/gudev/Makefile.am b/docs/gudev/Makefile.am
index 152cd3c018cac4694d1915dd772a893fe6132a2f..55172f2c33a545792aeb4daa9a7ca595736ae7ec 100644 (file)
--- a/docs/gudev/Makefile.am
+++ b/docs/gudev/Makefile.am
@@ -77,8 +77,8 @@ expand_content_files=
 # be listed only once.
 # Kill CFLAGS here because gtk-doc thinks adding CFLAGS to CC _and_ also
 # adding CFLAGS itself again would work.
-CFLAGS=
-LDFLAGS=
+override CFLAGS=
+override LDFLAGS=
 
 # CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library.
 # Only needed if you are using gtkdoc-scangobj to dynamically query widget

diff --git a/docs/libudev/Makefile.am b/docs/libudev/Makefile.am
index f9365b3fd0211649ce63e0532ab4b14e161adae7..13e448ace0a28bbe1eb6e69c28f2a4ce125be4a1 100644 (file)
--- a/docs/libudev/Makefile.am
+++ b/docs/libudev/Makefile.am
@@ -72,6 +72,14 @@ content_files = version.xml
 # e.g. expand_content_files=running.sgml
 expand_content_files=
 
+# Hack, hack. You silly gtk-doc, you must not add  CFLAGS multiple
+# times when calling gcc; it surely can not work with options that must
+# be listed only once.
+# Kill CFLAGS here because gtk-doc thinks adding CFLAGS to CC _and_ also
+# adding CFLAGS itself again would work.
+override CFLAGS=
+override LDFLAGS=
+
 # CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library.
 # Only needed if you are using gtkdoc-scangobj to dynamically query widget
 # signals and properties.