From ca6e7a0d552e3b54c0833658409e34f9de3bead6 Mon Sep 17 00:00:00 2001
From: "Christoph J. Thompson" <cjsthompson@gmail.com>
Date: Sun, 11 Mar 2012 10:17:16 +0100
Subject: [PATCH] Generate and install the pkg-config file with cmake.

---
 CMakeLists.txt  | 10 ++++++++--
 INDEX           |  1 +
 zlib.pc.cmakein | 13 +++++++++++++
 3 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 zlib.pc.cmakein

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7d1537c..26bb1d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,7 @@ set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation direc
 set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
 set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
 set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
+set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
 
 if(NOT DEFINED BUILD_SHARED_LIBS)
     option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON)
@@ -75,8 +76,10 @@ if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
   endif()
 endif()
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
-               ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
+configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
+		${CMAKE_CURRENT_BINARY_DIR}/zlib.pc @ONLY)
+configure_file(	${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
+		${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 
@@ -180,6 +183,9 @@ endif()
 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
     install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3")
 endif()
+if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
+    install(FILES zlib.pc DESTINATION "${INSTALL_PKGCONFIG_DIR}")
+endif()
 
 #============================================================================
 # Example binaries
diff --git a/INDEX b/INDEX
index 246f5f4..2ba0641 100644
--- a/INDEX
+++ b/INDEX
@@ -17,6 +17,7 @@ zlib.3          Man page for zlib
 zlib.3.pdf      Man page in PDF format
 zlib.map        Linux symbol information
 zlib.pc.in      Template for pkg-config descriptor
+zlib.pc.cmakein zlib.pc template for cmake
 zlib2ansi       perl script to convert source files for C++ compilation
 
 amiga/          makefiles for Amiga SAS C
diff --git a/zlib.pc.cmakein b/zlib.pc.cmakein
new file mode 100644
index 0000000..a5e6429
--- /dev/null
+++ b/zlib.pc.cmakein
@@ -0,0 +1,13 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=@CMAKE_INSTALL_PREFIX@
+libdir=@INSTALL_LIB_DIR@
+sharedlibdir=@INSTALL_LIB_DIR@
+includedir=@INSTALL_INC_DIR@
+
+Name: zlib
+Description: zlib compression library
+Version: @VERSION@
+
+Requires:
+Libs: -L${libdir} -L${sharedlibdir} -lz
+Cflags: -I${includedir}