From: Leandro Lucarella <llucarella@integratech.com.ar>
Date: Wed, 12 Nov 2008 17:21:51 +0000 (-0200)
Subject: Add pkg-config support
X-Git-Url: https://git.llucax.com/software/posixx.git/commitdiff_plain/5387a786e28fa507dff72c36aa9f973dfc211c43?ds=sidebyside

Add pkg-config support

Generate and install a pkg-config .pc definition file to ease compilation
and linking of programs depending on posixx.
---

diff --git a/src/.gitignore b/src/.gitignore
index d1943c2..d930f66 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -1 +1,2 @@
+posixx.pc
 .*-stamp
diff --git a/src/Makefile b/src/Makefile
index 1a8fb03..cfea6e6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,15 +1,37 @@
 
+# Build flags (include general stuff in the .pc file instead)
+LOCAL_CFLAGS =
+LOCAL_LDFLAGS =
+
 # XXX: The cut pipe is to strip the leading "./" from find results. It's
 #      a little ugly but I couldn't find a better way to get a list of all
 #      headers in the directory (recursively).
 HEADERS = $(shell find -name '*.hpp' | cut -b3-)
 HDRPATH = posixx
-
+PCFILE = posixx.pc
+PCTEMPLATE = $(PCFILE).template
 
 # prefix for installing the binaries
 prefix = /usr/local
 
 
+# Flags fetched from pkg-config .pc file
+ifneq ($(PCTEMPLATE), )
+PKG_LIB = $(shell grep Libs.private: $(PCTEMPLATE) | cut -d' ' -f2-)
+PKG_REQ = $(shell grep Requires: $(PCTEMPLATE) | cut -d' ' -f2-)
+ifneq ($(PKG_REQ), )
+PKG_REQ_CFLAGS = $(shell pkg-config --cflags $(PKG_REQ))
+PKG_REQ_LDFLAGS = $(shell pkg-config --libs $(PKG_REQ))
+endif
+endif
+
+# XXX: LI_* variables are for internal use only
+# (for the super-repository local-install target)
+ALL_CFLAGS = $(LOCAL_CFLAGS) $(PKG_REQ_CFLAGS) $(LI_CFLAGS) $(CFLAGS)
+ALL_LDFLAGS = $(LOCAL_LDFLAGS) $(PKG_LIB) $(PKG_REQ_LDFLAGS) $(LI_LDFLAGS) \
+		$(LDFLAGS)
+
+
 # install command
 INSTALL = install -p -m 0644 -D
 
@@ -36,15 +58,23 @@ default: all
 
 all:
 
-install: install-headers
+$(PCFILE): $(PCTEMPLATE)
+	@sed 's|PREFIX|$(prefix)|' $< > $@
+
+install: install-headers install-pc
 
 install-headers: .install-headers-stamp
 
 .install-headers-stamp: $(HEADERS)
 	$(call install_files,$^,$(prefix)/include/$(HDRPATH))
 
+install-pc: .install-pc-stamp
+
+.install-pc-stamp: $(PCFILE)
+	$(call install_files,$^,$(prefix)/lib/pkgconfig)
+
 clean:
-	$(NICE_CLEAN) .*-stamp
+	$(NICE_CLEAN) $(PCFILE) .*-stamp
 
-.PHONY: default all install install-headers clean
+.PHONY: default all install install-headers install-pc clean
 
diff --git a/src/posixx.pc.template b/src/posixx.pc.template
new file mode 100644
index 0000000..a288288
--- /dev/null
+++ b/src/posixx.pc.template
@@ -0,0 +1,12 @@
+
+prefix=PREFIX
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: posixx
+Description: Thin C++ wrapper for POSIX API
+URL: https://spec-dev.integratech.net/redmine/projects/show/posixx
+Version: 0.1
+Cflags: -I${includedir}
+