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FindPkgConfig.cmake: fix documented output variable not set (#13125,#13132) 

The real fix is from Yury G. Kudryashov while I added the surrounding cleanups.
An additional hint to really get this fixed came from Rex Dieter.
This commit is contained in:
Rolf Eike Beer 2012-04-13 08:50:49 +02:00
parent ad3d2b450f
commit 3ea850a502
2 changed files with 7 additions and 4 deletions
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8
Modules/FindPkgConfig.cmake
View File

@ -13,11 +13,10 @@
# When the 'QUIET' argument is set, no status messages will be printed.
#
# It sets the following variables:
# PKG_CONFIG_FOUND ... true if pkg-config works on the system
# PKG_CONFIG_FOUND ... if pkg-config executable was found
# PKG_CONFIG_EXECUTABLE ... pathname of the pkg-config program
# PKG_CONFIG_VERSION_STRING ... the version of the pkg-config program found
# (since CMake 2.8.8)
# PKG_CONFIG_FOUND ... if pkg-config executable was found
#
# For the following variables two sets of values exist; first one is the
# common one and has the given PREFIX. The second set contains flags
@ -104,6 +103,11 @@ find_package_handle_standard_args(PkgConfig
REQUIRED_VARS PKG_CONFIG_EXECUTABLE
VERSION_VAR PKG_CONFIG_VERSION_STRING)
# This is needed because the module name is "PkgConfig" but the name of
# this variable has always been PKG_CONFIG_FOUND so this isn't automatically
# handled by FPHSA.
set(PKG_CONFIG_FOUND "${PKGCONFIG_FOUND}")
# Unsets the given variables
macro(_pkgconfig_unset var)
set(${var} "" CACHE INTERNAL "")

3
Tests/CMakeOnly/AllFindModules/CMakeLists.txt
View File

@ -71,7 +71,7 @@ endmacro(check_version_string)
# reported.
foreach(VTEST ALSA ARMADILLO BZIP2 CUPS CURL EXPAT FREETYPE GETTEXT GIT HSPELL
JASPER LIBXML2 LIBXSLT PERL PostgreSQL TIFF ZLIB)
JASPER LIBXML2 LIBXSLT PERL PKG_CONFIG PostgreSQL TIFF ZLIB)
check_version_string(${VTEST} ${VTEST}_VERSION_STRING)
endforeach(VTEST)
@ -82,4 +82,3 @@ endforeach(VTEST)
check_version_string(PYTHONINTERP PYTHON_VERSION_STRING)
check_version_string(SUBVERSION Subversion_VERSION_SVN)
check_version_string(PKGCONFIG PKG_CONFIG_VERSION_STRING)