From c5fa726e189d2c43a81ca3edb37e200a4af73b42 Mon Sep 17 00:00:00 2001
From: Pascal Massimino <pascal.massimino@gmail.com>
Date: Sat, 26 Mar 2011 10:15:44 -0700
Subject: [PATCH] build: add pkgconfig files

patch by Jan Engelhardt (jengelh at medozas dot de)

fixes http://code.google.com/p/webp/issues/detail?id=64

Change-Id: I5b3bc9b88af967e48b949d9c85daacda45693b1f
---
 configure.ac      |  5 +++++
 src/.gitignore    |  1 +
 src/Makefile.am   |  4 ++++
 src/libwebp.pc.in | 11 +++++++++++
 4 files changed, 21 insertions(+)
 create mode 100644 src/.gitignore
 create mode 100644 src/libwebp.pc.in

diff --git a/configure.ac b/configure.ac
index 512ac4c6..cb7871d4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,6 +3,11 @@ AM_INIT_AUTOMAKE
 AC_PROG_LIBTOOL
 AM_PROG_CC_C_O
 
+AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH],
+	[Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]),
+	[pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
+AC_SUBST([pkgconfigdir])
+
 dnl === check for PNG support ===
 
 PNG_INCLUDES=""
diff --git a/src/.gitignore b/src/.gitignore
new file mode 100644
index 00000000..49ca83d0
--- /dev/null
+++ b/src/.gitignore
@@ -0,0 +1 @@
+/*.pc
diff --git a/src/Makefile.am b/src/Makefile.am
index c3db4bbd..d408e318 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -10,3 +10,7 @@ libwebp_la_LDFLAGS = -version-info 0:0:0
 libwebpinclude_HEADERS = webp/types.h webp/decode.h webp/decode_vp8.h \
                          webp/encode.h
 libwebpincludedir = $(includedir)/webp
+
+pkgconfig_DATA = libwebp.pc
+
+${pkgconfig_DATA}: ${top_builddir}/config.status
diff --git a/src/libwebp.pc.in b/src/libwebp.pc.in
new file mode 100644
index 00000000..a925dfa4
--- /dev/null
+++ b/src/libwebp.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name:		libwebp
+Description:	Library for the WebP graphics format
+Version:	@PACKAGE_VERSION@
+Cflags:		-I${includedir}
+Libs:		-L${libdir} -lwebp
+Libs.private:	-lm