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| author | Brad King <brad.king@kitware.com> | 2020-03-16 16:25:38 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2020-03-16 16:27:11 (GMT) |
| commit | b59f36aad8576ca0ab7a7ecac345d6483d818d3e (patch) | |
| tree | 46f0bac1282c255553ec5ae73cb72a718f02f2eb /Modules | |
| parent | e49a21cff0d94bcc82fafd530ce543059264e14a (diff) | |
| download | CMake-b59f36aad8576ca0ab7a7ecac345d6483d818d3e.zip CMake-b59f36aad8576ca0ab7a7ecac345d6483d818d3e.tar.gz CMake-b59f36aad8576ca0ab7a7ecac345d6483d818d3e.tar.bz2 | |
FindPkgConfig: Unset results when pkg-config is broken
Inspired-by: FUJI Goro <goro@fastly.com>
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/FindPkgConfig.cmake | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/Modules/FindPkgConfig.cmake b/Modules/FindPkgConfig.cmake index c79f20f..b7e6442 100644 --- a/Modules/FindPkgConfig.cmake +++ b/Modules/FindPkgConfig.cmake @@ -34,16 +34,31 @@ endif() find_program(PKG_CONFIG_EXECUTABLE NAMES pkg-config DOC "pkg-config executable") mark_as_advanced(PKG_CONFIG_EXECUTABLE) +set(_PKG_CONFIG_FAILURE_MESSAGE "") if (PKG_CONFIG_EXECUTABLE) execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --version - OUTPUT_VARIABLE PKG_CONFIG_VERSION_STRING - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE) + OUTPUT_VARIABLE PKG_CONFIG_VERSION_STRING OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_VARIABLE _PKG_CONFIG_VERSION_ERROR ERROR_STRIP_TRAILING_WHITESPACE + RESULT_VARIABLE _PKG_CONFIG_VERSION_RESULT + ) + + if (NOT _PKG_CONFIG_VERSION_RESULT EQUAL 0) + string(REPLACE "\n" "\n " _PKG_CONFIG_VERSION_ERROR " ${_PKG_CONFIG_VERSION_ERROR}") + string(APPEND _PKG_CONFIG_FAILURE_MESSAGE + "The command\n" + " \"${PKG_CONFIG_EXECUTABLE}\" --version\n" + " failed with output\n${_PKG_CONFIG_VERSION_ERROR}" + ) + set(PKG_CONFIG_EXECUTABLE "") + unset(PKG_CONFIG_VERSION_STRING) + endif () + unset(_PKG_CONFIG_VERSION_RESULT) endif () include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) find_package_handle_standard_args(PkgConfig REQUIRED_VARS PKG_CONFIG_EXECUTABLE + REASON_FAILURE_MESSAGE "${_PKG_CONFIG_FAILURE_MESSAGE}" VERSION_VAR PKG_CONFIG_VERSION_STRING) # This is needed because the module name is "PkgConfig" but the name of |