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openwrt-owl/tools/zlib/patches/900-overridable-pc-exec-pre...

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tools: zlib: do not hardcode the install prefix in zlib.pc Our pkg-config wrapper relies on the ability to redefine the $prefix and $exec_prefix variables in order to construct proper search paths relative to the build environment. Patch the .pc file template to construct libdir, sharedlibdir and includedir relative to the ${prefix} variable so that it can be overridden as needed. This also fixes the libxml2/host build issue raised at https://github.com/openwrt/packages/issues/6073 - it was caused by libxml2's configure picking up a wrong host search path through zlib.pc, letting it include the wrong endian.h, causing spurious member redeclaration errors in system headers. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2018-05-24 15:01:54 +00:00
--- a/zlib.pc.cmakein
+++ b/zlib.pc.cmakein
@@ -1,8 +1,8 @@
prefix=@CMAKE_INSTALL_PREFIX@
exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=@INSTALL_LIB_DIR@
-sharedlibdir=@INSTALL_LIB_DIR@
-includedir=@INSTALL_INC_DIR@
+libdir=${prefix}/lib
+sharedlibdir=${prefix}/lib
+includedir=${prefix}/include
Name: zlib
Description: zlib compression library