meson: generate pkg-config -uninstalled pc files

Generating those files is useful for users building the GStreamer stack
using meson and having to link it to another project which is still
using the autotools.

https://bugzilla.gnome.org/show_bug.cgi?id=776810

7 files changed, 29 insertions, 6 deletions

diff --git a/pkgconfig/Makefile.am b/pkgconfig/Makefile.am
index 5da63ed8a..78a1e6534 100644
--- a/pkgconfig/Makefile.am
+++ b/pkgconfig/Makefile.am
@@ -31,7 +31,15 @@ cp_verbose_0 = @echo "  CP     $@";
 %-@GST_API_VERSION@.pc: %.pc
 	$(cp_verbose_0)cp $< $@
 %-@GST_API_VERSION@-uninstalled.pc: %-uninstalled.pc
-	$(cp_verbose_0)cp $< $@
+### the uninstalled libdir is depend of the build system used so set it here
+### rather than hardcoding it in the file directly.
+	$(AM_V_GEN) sed \
+		-e "s|[@]gstlibdir[@]|$(abs_top_builddir)/gst/.libs|" \
+		-e "s|[@]checklibdir[@]|$(abs_top_builddir)/libs/gst/check/.libs|" \
+		-e "s|[@]baselibdir[@]|$(abs_top_builddir)/libs/gst/base/.libs|" \
+		-e "s|[@]netlibdir[@]|$(abs_top_builddir)/libs/gst/net/.libs|" \
+		-e "s|[@]controllerlibdir[@]|$(abs_top_builddir)/libs/gst/controller/.libs|" \
+		$< > $@.tmp && mv $@.tmp $@
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = $(pcfiles)
diff --git a/pkgconfig/gstreamer-base-uninstalled.pc.in b/pkgconfig/gstreamer-base-uninstalled.pc.in
index f9a4e1f9e..08759f1c3 100644
--- a/pkgconfig/gstreamer-base-uninstalled.pc.in
+++ b/pkgconfig/gstreamer-base-uninstalled.pc.in
@@ -1,7 +1,7 @@
 # the standard variables don't make sense for an uninstalled copy
 prefix=
 exec_prefix=
-libdir=@abs_top_builddir@/libs/gst/base/.libs
+libdir=@baselibdir@
 includedir=
 girdir=@abs_top_builddir@/libs/gst/base
 typelibdir=@abs_top_builddir@/libs/gst/base
diff --git a/pkgconfig/gstreamer-check-uninstalled.pc.in b/pkgconfig/gstreamer-check-uninstalled.pc.in
index 3aeaf77ad..85c290364 100644
--- a/pkgconfig/gstreamer-check-uninstalled.pc.in
+++ b/pkgconfig/gstreamer-check-uninstalled.pc.in
@@ -1,7 +1,7 @@
 # the standard variables don't make sense for an uninstalled copy
 prefix=
 exec_prefix=
-libdir=@abs_top_builddir@/libs/gst/check/.libs
+libdir=@checklibdir@
 includedir=
 girdir=@abs_top_builddir@/libs/gst/check
 typelibdir=@abs_top_builddir@/libs/gst/check
diff --git a/pkgconfig/gstreamer-controller-uninstalled.pc.in b/pkgconfig/gstreamer-controller-uninstalled.pc.in
index b7227e1c8..97983e753 100644
--- a/pkgconfig/gstreamer-controller-uninstalled.pc.in
+++ b/pkgconfig/gstreamer-controller-uninstalled.pc.in
@@ -1,7 +1,7 @@
 # the standard variables don't make sense for an uninstalled copy
 prefix=
 exec_prefix=
-libdir=@abs_top_builddir@/libs/gst/controller/.libs
+libdir=@controllerlibdir@
 includedir=
 girdir=@abs_top_builddir@/libs/gst/controller
 typelibdir=@abs_top_builddir@/libs/gst/controller
diff --git a/pkgconfig/gstreamer-net-uninstalled.pc.in b/pkgconfig/gstreamer-net-uninstalled.pc.in
index d3b14592e..5d390c267 100644
--- a/pkgconfig/gstreamer-net-uninstalled.pc.in
+++ b/pkgconfig/gstreamer-net-uninstalled.pc.in
@@ -1,7 +1,7 @@
 # the standard variables don't make sense for an uninstalled copy
 prefix=
 exec_prefix=
-libdir=@abs_top_builddir@/libs/gst/net/.libs
+libdir=@netlibdir@
 includedir=
 girdir=@abs_top_builddir@/libs/gst/net
 typelibdir=@abs_top_builddir@/libs/gst/net
diff --git a/pkgconfig/gstreamer-uninstalled.pc.in b/pkgconfig/gstreamer-uninstalled.pc.in
index 16c2a048f..8f69dd501 100644
--- a/pkgconfig/gstreamer-uninstalled.pc.in
+++ b/pkgconfig/gstreamer-uninstalled.pc.in
@@ -1,7 +1,7 @@
 # the standard variables don't make sense for an uninstalled copy
 prefix=
 exec_prefix=
-libdir=@abs_top_builddir@/gst/.libs
+libdir=@gstlibdir@
 # includedir is builddir because it is used to find gstconfig.h in places
 includedir=@abs_top_builddir@
 toolsdir=@abs_top_builddir@/tools
diff --git a/pkgconfig/meson.build b/pkgconfig/meson.build
index 0c90d7469..ff0083c6d 100644
--- a/pkgconfig/meson.build
+++ b/pkgconfig/meson.build
@@ -7,6 +7,15 @@ pkgconf.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))
 pkgconf.set('GST_API_VERSION', apiversion)
 pkgconf.set('VERSION', gst_version)
 
+# needed for generating -uninstalled.pc files
+pkgconf.set('abs_top_builddir', join_paths(meson.current_build_dir(), '..'))
+pkgconf.set('abs_top_srcdir', join_paths(meson.current_source_dir(), '..'))
+pkgconf.set('gstlibdir', join_paths(meson.build_root(), libgst.outdir()))
+pkgconf.set('checklibdir', join_paths(meson.build_root(), gst_check.outdir()))
+pkgconf.set('baselibdir', join_paths(meson.build_root(), gst_base.outdir()))
+pkgconf.set('controllerlibdir', join_paths(meson.build_root(), gst_controller.outdir()))
+pkgconf.set('netlibdir', join_paths(meson.build_root(), gst_net.outdir()))
+
 pkg_install_dir = '@0@/pkgconfig'.format(get_option('libdir'))
 
 pkg_files = ['gstreamer-base',
@@ -23,4 +32,10 @@ foreach p : pkg_files
     output : outfile,
     configuration : pkgconf,
     install_dir : pkg_install_dir)
+
+  infile = p + '-uninstalled.pc.in'
+  outfile = p + '-1.0-uninstalled.pc'
+  configure_file(input : infile,
+    output : outfile,
+    configuration : pkgconf)
 endforeach