build: Generate pkg-config files from Make and not from configure

This moves work from the configure to the Make stage where it can
be parallelized and ensures that pkgconfig files are updated when
library versions change.

Bug-Id: 449

3 files changed, 56 insertions, 2 deletions

diff --git a/avbuild/.gitignore b/avbuild/.gitignore
index 693b7aa0d3..38ed170752 100644
--- a/avbuild/.gitignore
+++ b/avbuild/.gitignore
@@ -2,3 +2,4 @@
 /config.fate
 /config.log
 /config.mak
+/config.sh
diff --git a/avbuild/library.mak b/avbuild/library.mak
index 45152bebe8..e5f6d7d288 100644
--- a/avbuild/library.mak
+++ b/avbuild/library.mak
@@ -9,8 +9,8 @@ INCINSTDIR := $(INCDIR)/lib$(NAME)
 
 INSTHEADERS := $(INSTHEADERS) $(HEADERS:%=$(SUBDIR)%)
 
-all-$(CONFIG_STATIC): $(SUBDIR)$(LIBNAME)
-all-$(CONFIG_SHARED): $(SUBDIR)$(SLIBNAME)
+all-$(CONFIG_STATIC): $(SUBDIR)$(LIBNAME)  $(SUBDIR)lib$(NAME).pc
+all-$(CONFIG_SHARED): $(SUBDIR)$(SLIBNAME) $(SUBDIR)lib$(NAME).pc
 
 LIBOBJS := $(OBJS) $(SUBDIR)%.h.o $(TESTOBJS)
 $(LIBOBJS) $(LIBOBJS:.o=.i):   CPPFLAGS += -DHAVE_AV_CONFIG_H
@@ -35,6 +35,9 @@ $(TESTPROGS) $(TOOLS): %$(EXESUF): %.o
 $(SUBDIR)lib$(NAME).version: $(SUBDIR)version.h | $(SUBDIR)
 	$$(M) $$(SRC_PATH)/avbuild/libversion.sh $(NAME) $$< > $$@
 
+$(SUBDIR)lib$(NAME).pc: $(SUBDIR)version.h | $(SUBDIR)
+	$$(M) $$(SRC_PATH)/avbuild/pkgconfig_generate.sh $(NAME) "$(DESC)"
+
 $(SUBDIR)lib$(NAME).ver: $(SUBDIR)lib$(NAME).v $(OBJS)
 	$$(M)sed 's/MAJOR/$(lib$(NAME)_VERSION_MAJOR)/' $$< | $(VERSION_SCRIPT_POSTPROCESS_CMD) > $$@
 
diff --git a/avbuild/pkgconfig_generate.sh b/avbuild/pkgconfig_generate.sh
new file mode 100755
index 0000000000..33e188f5ea
--- /dev/null
+++ b/avbuild/pkgconfig_generate.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+. avbuild/config.sh
+
+if test "$shared" = "yes"; then
+    shared=true
+else
+    shared=false
+fi
+
+shortname=$1
+name=lib${shortname}
+comment=$2
+libs=$(eval echo \$extralibs_${shortname})
+requires=$(eval echo \$requires_${shortname})
+requires=${requires%, }
+
+version=$(grep ${name}_VERSION= $name/${name}.version | cut -d= -f2)
+
+cat <<EOF > $name/$name.pc
+prefix=$prefix
+exec_prefix=\${prefix}
+libdir=$libdir
+includedir=$incdir
+
+Name: $name
+Description: $comment
+Version: $version
+Requires: $($shared || echo $requires)
+Requires.private: $($shared && echo $requires)
+Conflicts:
+Libs: -L\${libdir} -l${shortname} $($shared || echo $libs)
+Libs.private: $($shared && echo $libs)
+Cflags: -I\${includedir}
+EOF
+
+cat <<EOF > $name/$name-uninstalled.pc
+prefix=
+exec_prefix=
+libdir=\${pcfiledir}
+includedir=${source_path}
+
+Name: $name
+Description: $comment
+Version: $version
+Requires: $requires
+Conflicts:
+Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
+Cflags: -I\${includedir}
+EOF