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ENH: better backwards compatibility, and deprecate PKGCONFIG

This commit is contained in:
Bill Hoffman 2006-12-09 15:02:19 -05:00
parent b9787a965f
commit ff6146334c
2 changed files with 36 additions and 33 deletions
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25
Modules/FindPkgConfig.cmake
View File

@ -355,31 +355,6 @@ macro(pkg_search_module _prefix _module0)
endif(NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION})
endmacro(pkg_search_module)
###
macro(PKGCONFIG _package _include_DIR _link_DIR _link_FLAGS _cflags)
message(STATUS "WARNING: you are using the obsolete 'PKGCONFIG' macro")
_pkg_check_modules_internal(0 0 _PKGCONFIG_TMP "${_package}")
if (_PKGCONFIG_TMP_FOUND)
# To be compatible with obsolete module must return blank-delimited strings.
# Also, lead with a blank (for TRUE/FALSE compatibility, 2.4.4 appears to
# have returned a blank sometimes followed by nl for the situation
# where the pkg-config module has been found [e.g., _PKGCONFIG_TMP_FOUND]
# but does not define the desired quantity.
string(REGEX REPLACE ";" " " ${_include_DIR} " ${_PKGCONFIG_TMP_INCLUDE_DIRS}")
string(REGEX REPLACE ";" " " ${_link_DIR} " ${_PKGCONFIG_TMP_LIBRARY_DIRS}")
string(REGEX REPLACE ";" " " ${_link_FLAGS} " ${_PKGCONFIG_TMP_LDFLAGS}")
string(REGEX REPLACE ";" " " ${_cflags} " ${_PKGCONFIG_TMP_CFLAGS}")
set(_return_VALUE 0)
else(_PKGCONFIG_TMP_FOUND)
set(${_include_DIR})
set(${_link_DIR})
set(${_link_FLAGS})
set(${_cflags})
set(_return_VALUE 1)
endif(_PKGCONFIG_TMP_FOUND)
endmacro(PKGCONFIG)
### Local Variables:
### mode: cmake
### End:

44
Modules/UsePkgConfig.cmake
View File

@ -1,6 +1,6 @@
# - obsolete pkg-config module for CMake
#
# Includes FindPkgConfig.cmake which defines
# Defines the following macros:
#
# PKGCONFIG(package includedir libdir linkflags cflags)
#
@ -10,11 +10,39 @@
# variable will be empty when the function returns, otherwise they will contain the respective information
#
INCLUDE(FindPkgConfig)
# Retain backwards compatibility with old PKGCONFIG_EXECUTABLE name.
IF(PKG_CONFIG_EXECUTABLE)
SET(PKGCONFIG_EXECUTABLE ${PKG_CONFIG_EXECUTABLE})
ELSE(PKG_CONFIG_EXECUTABLE)
SET(PKGCONFIG_EXECUTABLE PKGCONFIG_EXECUTABLE-NOTFOUND)
ENDIF(PKG_CONFIG_EXECUTABLE)
FIND_PROGRAM(PKGCONFIG_EXECUTABLE NAMES pkg-config PATHS /usr/local/bin )
MACRO(PKGCONFIG _package _include_DIR _link_DIR _link_FLAGS _cflags)
message(STATUS
"WARNING: you are using the obsolete 'PKGCONFIG' macro use FindPkgConfig")
# reset the variables at the beginning
SET(${_include_DIR})
SET(${_link_DIR})
SET(${_link_FLAGS})
SET(${_cflags})
# if pkg-config has been found
IF(PKGCONFIG_EXECUTABLE)
EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --exists RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
# and if the package of interest also exists for pkg-config, then get the information
IF(NOT _return_VALUE)
EXEC_PROGRAM(${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 OUTPUT_VARIABLE ${_link_FLAGS} )
EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS ${_package} --cflags OUTPUT_VARIABLE ${_cflags} )
ENDIF(NOT _return_VALUE)
ENDIF(PKGCONFIG_EXECUTABLE)
ENDMACRO(PKGCONFIG _include_DIR _link_DIR _link_FLAGS _cflags)
MARK_AS_ADVANCED(PKGCONFIG_EXECUTABLE)