[Mesa-dev] [PATCH] configure.ac: rework wayland-protocols handling

Emil Velikov emil.l.velikov at gmail.com
Thu Jul 20 17:27:05 UTC 2017


From: Emil Velikov <emil.velikov at collabora.com>

At dist/distcheck time we need to ensure that all the files and their
respective dependencies are handled.

At the moment we'll bail out as the linux-dmabuf rules are guarded in a
conditional. Move them outside of it and drop the sources from
BUILT_SOURCES.

Thus the files will be generated only as needed, which will happen only
after the wayland-protocols dependency is enforced in configure.ac.

Cc: Andres Gomez <agomez at igalia.com>
Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
---
 configure.ac        | 13 ++++++++++---
 src/egl/Makefile.am | 12 +++++-------
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2689fc55e85..2736fbf201b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1681,19 +1681,26 @@ if test "x$WAYLAND_SCANNER" = x; then
     AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
 fi
 
+PKG_CHECK_EXISTS([wayland-protocols >= $WAYLAND_PROTOCOLS_REQUIRED], [have_wayland_protocols=yes], [have_wayland_protocols=no])
+if test "x$have_wayland_protocols" = xyes; then
+    ac_wayland_protocols_pkgdatadir=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
+fi
+AC_SUBST(WAYLAND_PROTOCOLS_DATADIR, $ac_wayland_protocols_pkgdatadir)
+
 # Do per platform setups and checks
 platforms=`IFS=', '; echo $with_platforms`
 for plat in $platforms; do
     case "$plat" in
     wayland)
 
-        PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED wayland-protocols >= $WAYLAND_PROTOCOLS_REQUIRED])
-        ac_wayland_protocols_pkgdatadir=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
-        AC_SUBST(WAYLAND_PROTOCOLS_DATADIR, $ac_wayland_protocols_pkgdatadir)
+        PKG_CHECK_MODULES([WAYLAND], [wayland-client >= $WAYLAND_REQUIRED wayland-server >= $WAYLAND_REQUIRED])
 
         if test "x$WAYLAND_SCANNER" = "x:"; then
                 AC_MSG_ERROR([wayland-scanner is needed to compile the wayland platform])
         fi
+        if test "x$have_wayland_protocols" = xno; then
+                AC_MSG_ERROR([wayland-protocols >= $WAYLAND_PROTOCOLS_REQUIRED is needed to compile the wayland platform])
+        fi
         DEFINES="$DEFINES -DHAVE_WAYLAND_PLATFORM"
         ;;
 
diff --git a/src/egl/Makefile.am b/src/egl/Makefile.am
index 7c1a4929b81..4094639284e 100644
--- a/src/egl/Makefile.am
+++ b/src/egl/Makefile.am
@@ -64,7 +64,6 @@ libEGL_common_la_LIBADD += $(top_builddir)/src/loader/libloader_dri3_helper.la
 endif
 endif
 
-if HAVE_PLATFORM_WAYLAND
 WL_DMABUF_XML = $(WAYLAND_PROTOCOLS_DATADIR)/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml
 
 drivers/dri2/linux-dmabuf-unstable-v1-protocol.c: $(WL_DMABUF_XML)
@@ -75,17 +74,16 @@ drivers/dri2/linux-dmabuf-unstable-v1-client-protocol.h: $(WL_DMABUF_XML)
 	$(MKDIR_GEN)
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 
-BUILT_SOURCES += \
-	drivers/dri2/linux-dmabuf-unstable-v1-protocol.c \
-	drivers/dri2/linux-dmabuf-unstable-v1-client-protocol.h
-
+if HAVE_PLATFORM_WAYLAND
 AM_CFLAGS += $(WAYLAND_CFLAGS)
 libEGL_common_la_LIBADD += $(WAYLAND_LIBS)
 libEGL_common_la_LIBADD += $(LIBDRM_LIBS)
 libEGL_common_la_LIBADD += $(top_builddir)/src/egl/wayland/wayland-drm/libwayland-drm.la
 libEGL_common_la_LIBADD += $(top_builddir)/src/util/libmesautil.la
-dri2_backend_FILES += drivers/dri2/platform_wayland.c	\
-	drivers/dri2/linux-dmabuf-unstable-v1-protocol.c
+dri2_backend_FILES += \
+	drivers/dri2/platform_wayland.c	\
+	drivers/dri2/linux-dmabuf-unstable-v1-protocol.c \
+	drivers/dri2/linux-dmabuf-unstable-v1-client-protocol.h
 endif
 
 if HAVE_PLATFORM_DRM
-- 
2.12.1



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