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Document and test find_package <pkg>_DIR env var 

The find_package(<pkg>) command checks the <pkg>_DIR environment
variable.  This commit documents and tests the feature.
This commit is contained in:
Brad King 2009-11-04 13:14:57 -05:00
parent c9a9c88634
commit 3a790251f4
2 changed files with 11 additions and 0 deletions
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1
Source/cmFindPackageCommand.cxx
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@ -268,6 +268,7 @@ cmFindPackageCommand::cmFindPackageCommand()
"2. Search paths specified in cmake-specific environment variables. "
"These are intended to be set in the user's shell configuration. "
"This can be skipped if NO_CMAKE_ENVIRONMENT_PATH is passed.\n"
" <package>_DIR\n"
" CMAKE_PREFIX_PATH\n"
" CMAKE_FRAMEWORK_PATH\n"
" CMAKE_APPBUNDLE_PATH\n"

10
Tests/FindPackageTest/CMakeLists.txt
View File

@ -40,6 +40,7 @@ SET(PACKAGES
WrongA WrongB WrongC WrongD
wibbleA wibbleB
RecursiveA RecursiveB RecursiveC
EnvA EnvB
)
FOREACH(p ${PACKAGES})
SET(${p}_DIR "" CACHE FILEPATH "Wipe out find results for testing." FORCE)
@ -96,6 +97,13 @@ FIND_PACKAGE(RecursiveA)
FIND_PACKAGE(RecursiveB 2)
FIND_PACKAGE(RecursiveC 3.1 EXACT)
# Test <Package>_DIR environment variable.
# We erase the main prefix path to ensure the env var is used.
SET(CMAKE_PREFIX_PATH)
SET(ENV{EnvA_DIR} "${CMAKE_CURRENT_SOURCE_DIR}/lib/zot-3.1")
FIND_PACKAGE(EnvA 3.1 EXACT QUIET NAMES zot) # Should Work
FIND_PACKAGE(EnvB 3.1 EXACT QUIET NAMES zot) # Should Fail
# Expected locations at which packages should be found.
SET(foo_EXPECTED "lib/foo-1.2/foo-config.cmake")
SET(Foo_EXPECTED "lib/foo-1.2/CMake/FooConfig.cmake")
@ -123,6 +131,8 @@ SET(wibbleB_EXPECTED "B/wibble-config.cmake")
SET(RecursiveA_EXPECTED "lib/RecursiveA/recursivea-config.cmake")
SET(RecursiveB_EXPECTED "lib/zot-2.0/zot-config.cmake")
SET(RecursiveC_EXPECTED "lib/zot-3.1/zot-config.cmake")
SET(EnvA_EXPECTED "lib/zot-3.1/zot-config.cmake")
SET(EnvB_MISSING "EnvB_DIR-NOTFOUND")
# Check the results.
FOREACH(p ${PACKAGES})