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authorAlexander Neundorf <neundorf@kde.org>2006-01-16 18:09:26 +0000
committerAlexander Neundorf <neundorf@kde.org>2006-01-16 18:09:26 +0000
commit49b236c6856b3b7c22a798320c0bd4c1f9ab6df5 (patch)
treeabdab436cbe06bf4de7a7bccf5b1430691b483aa
parent9fef46b7d2fdd70de66fa64668f3d03f1c6f792a (diff)
downloadextra-cmake-modules-49b236c6856b3b7c22a798320c0bd4c1f9ab6df5.tar.gz
extra-cmake-modules-49b236c6856b3b7c22a798320c0bd4c1f9ab6df5.tar.bz2
cmake module for using pkg-config
usage: pkgconfig(alsa ALSA_INCLUDE_DIR ALSA_LINK_DIR ALSA_LINK_FLAGS ALSA_CFLAGS) This will fill in the respective values in these four variables. If pkg-config or the software package is not found they will be empty. This command is not intended to be used directly, but in FindFOO.cmake modules. CCMAIL: kde-buildsystem@kde.org Alex svn path=/trunk/KDE/kdesdk/cmake/; revision=498955
-rw-r--r--modules/UsePkgConfig.cmake39
1 files changed, 39 insertions, 0 deletions
diff --git a/modules/UsePkgConfig.cmake b/modules/UsePkgConfig.cmake
new file mode 100644
index 00000000..7dc74777
--- /dev/null
+++ b/modules/UsePkgConfig.cmake
@@ -0,0 +1,39 @@
+# - pkg-config module for CMake
+# Defines the following macros:
+# PKGCONFIG(package includedir libdir linkflags cflags)
+# - Calling PKGCONFIG will fill the desired information into the 4 given arguments,
+# e.g. PKGCONFIG(libart-2.0 LIBART_INCLUDE_DIR LIBART_LINK_DIR LIBART_LINK_FLAGS LIBART_CFLAGS)
+# if pkg-config was not found or the specified software package doesn't exist, the
+# variable will be empty when the function returns, otherwise they will contain the respective information
+
+FIND_PROGRAM(PKGCONFIG_EXECUTABLE NAMES pkg-config PATHS /usr/local/bin )
+
+MACRO(PKGCONFIG _package _include_DIR _link_DIR _link_FLAGS _cflags)
+# reset the variables at the beginning
+ SET(${_include_DIR})
+ SET(${_link_DIR})
+ SET(${_link_FLAGS})
+ SET(${_cflags})
+
+# if pkg-config has been found
+ IF(PKGCONFIG_EXECUTABLE)
+
+ EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --exists RETURN_VALUE _return_VALUE )
+
+# and if the package of interest also exists for pkg-config, then get the information
+ IF(NOT _return_VALUE)
+
+ EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=includedir OUTPUT_VARIABLE ${_include_DIR} )
+
+ EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --variable=libdir OUTPUT_VARIABLE ${_link_DIR} )
+
+ EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --libs-only-other OUTPUT_VARIABLE ${_link_FLAGS} )
+
+ EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --cflags-only-other OUTPUT_VARIABLE ${_cflags} )
+
+ ENDIF(NOT _return_VALUE)
+
+ ENDIF(PKGCONFIG_EXECUTABLE)
+
+ENDMACRO(PKGCONFIG _include_DIR _link_DIR _link_FLAGS _cflags)
+