[Cmake-commits] CMake branch, next, updated. v3.5.2-1365-g756e369
Rolf Eike Beer
eike at sf-mail.de
Thu May 12 16:30:27 EDT 2016
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- Log -----------------------------------------------------------------
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=756e36915134388b0aeaac7548c2a7426d26a56b
commit 756e36915134388b0aeaac7548c2a7426d26a56b
Merge: 7da4731 39e9745
Author: Rolf Eike Beer <eike at sf-mail.de>
AuthorDate: Thu May 12 16:30:26 2016 -0400
Commit: CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Thu May 12 16:30:26 2016 -0400
Merge topic 'findpkgconfig-target' into next
39e97451 FindPkgConfig: optionally create imported target for the found libraries
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=39e974517c106974324e8c27c78523c4f1a0bae2
commit 39e974517c106974324e8c27c78523c4f1a0bae2
Author: Rolf Eike Beer <eike at sf-mail.de>
AuthorDate: Wed May 11 23:45:26 2016 +0200
Commit: Rolf Eike Beer <eike at sf-mail.de>
CommitDate: Thu May 12 22:25:34 2016 +0200
FindPkgConfig: optionally create imported target for the found libraries
diff --git a/Modules/FindPkgConfig.cmake b/Modules/FindPkgConfig.cmake
index 447c526..1c8331a 100644
--- a/Modules/FindPkgConfig.cmake
+++ b/Modules/FindPkgConfig.cmake
@@ -16,6 +16,7 @@
# Copyright 2006-2014 Kitware, Inc.
# Copyright 2014 Christoph Grüninger <foss at grueninger.de>
# Copyright 2006 Enrico Scholz <enrico.scholz at informatik.tu-chemnitz.de>
+# Copyright 2016 Rolf Eike Beer <eike at sf-mail.de>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
@@ -119,11 +120,12 @@ macro(_pkgconfig_invoke_dyn _pkglist _prefix _varname cleanup_regexp)
endmacro()
# Splits given arguments into options and a package list
-macro(_pkgconfig_parse_options _result _is_req _is_silent _no_cmake_path _no_cmake_environment_path)
+macro(_pkgconfig_parse_options _result _is_req _is_silent _no_cmake_path _no_cmake_environment_path _imp_target)
set(${_is_req} 0)
set(${_is_silent} 0)
set(${_no_cmake_path} 0)
set(${_no_cmake_environment_path} 0)
+ set(${_imp_target} 0)
if(DEFINED PKG_CONFIG_USE_CMAKE_PREFIX_PATH)
if(NOT PKG_CONFIG_USE_CMAKE_PREFIX_PATH)
set(${_no_cmake_path} 1)
@@ -147,6 +149,9 @@ macro(_pkgconfig_parse_options _result _is_req _is_silent _no_cmake_path _no_cma
if (_pkg STREQUAL "NO_CMAKE_ENVIRONMENT_PATH")
set(${_no_cmake_environment_path} 1)
endif()
+ if (_pkg STREQUAL "IMPORTED_TARGET")
+ set(${_imp_target} 1)
+ endif()
endforeach()
set(${_result} ${ARGN})
@@ -154,6 +159,7 @@ macro(_pkgconfig_parse_options _result _is_req _is_silent _no_cmake_path _no_cma
list(REMOVE_ITEM ${_result} "QUIET")
list(REMOVE_ITEM ${_result} "NO_CMAKE_PATH")
list(REMOVE_ITEM ${_result} "NO_CMAKE_ENVIRONMENT_PATH")
+ list(REMOVE_ITEM ${_result} "IMPORTED_TARGET")
endmacro()
# Add the content of a variable or an environment variable to a list of
@@ -181,8 +187,60 @@ function(_pkgconfig_add_extra_path _extra_paths_var _var)
set(${_extra_paths_var} ${${_extra_paths_var}} PARENT_SCOPE)
endfunction()
+# scan the LDFLAGS returned by pkg-config for library directories and
+# libraries, figure out the absolute paths of that libraries in the
+# given directories, and create an imported target from them
+function(_pkg_create_imp_target _prefix _no_cmake_path _no_cmake_environment_path)
+ unset(_libs)
+ unset(_find_opts)
+
+ # set the options that are used as long as the .pc file does not provide a library
+ # path to look into
+ if(_no_cmake_path)
+ set(_find_opts "NO_CMAKE_PATH")
+ endif()
+ if(_no_cmake_environment_path)
+ set(_find_opts "${_find_opts} NO_CMAKE_ENVIRONMENT_PATH")
+ endif()
+
+ foreach (flag IN LISTS ${_prefix}_LDFLAGS)
+ if (flag MATCHES "^-L(.*)")
+ # only look into the given paths from now on
+ set(_find_opts "HINTS ${${CMAKE_MATCH_1}} NO_DEFAULT_PATH")
+ continue()
+ endif()
+ if (flag MATCHES "^-l(.*)")
+ set(_pkg_search "${CMAKE_MATCH_1}")
+ else()
+ continue()
+ endif()
+
+ find_library(pkgcfg_lib_${_prefix}_${_pkg_search}
+ NAMES ${_pkg_search}
+ ${_find_opts})
+ list(APPEND _libs "${pkgcfg_lib_${_prefix}_${_pkg_search}}")
+ endforeach()
+
+ # only create the target if it is linkable, i.e. no executables
+ if (NOT TARGET PkgConfig::${_prefix}
+ AND ( ${_prefix}_INCLUDE_DIRS OR _libs OR ${_prefix}_CFLAGS_OTHER ))
+ add_library(PkgConfig::${_prefix} INTERFACE IMPORTED)
+ if(${_prefix}_INCLUDE_DIRS)
+ set_target_properties(PkgConfig::${_prefix} PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${${_prefix}_INCLUDE_DIRS}")
+ endif()
+ if(_libs)
+ set_target_properties(PkgConfig::${_prefix} PROPERTIES
+ INTERFACE_LINK_LIBRARIES "${_libs}")
+ endif()
+ if(${_prefix}_CFLAGS_OTHER)
+ set_property(TARGET PkgConfig::${_prefix} PROPERTY INTERFACE_COMPILE_OPTIONS "${${_prefix}_CFLAGS_OTHER}")
+ endif()
+ endif()
+endfunction()
+
###
-macro(_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cmake_environment_path _prefix)
+macro(_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cmake_environment_path _imp_target _prefix)
_pkgconfig_unset(${_prefix}_FOUND)
_pkgconfig_unset(${_prefix}_VERSION)
_pkgconfig_unset(${_prefix}_PREFIX)
@@ -400,6 +458,10 @@ macro(_pkg_check_modules_internal _is_required _is_silent _no_cmake_path _no_cma
_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" INCLUDE_DIRS "(^| )-I" --cflags-only-I )
_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS "" --cflags )
_pkgconfig_invoke_dyn("${_pkg_check_modules_packages}" "${_prefix}" CFLAGS_OTHER "" --cflags-only-other )
+
+ if (_imp_target)
+ _pkg_create_imp_target("${_prefix}" _no_cmake_path _no_cmake_environment_path)
+ endif()
endif()
if(NOT "${_extra_paths}" STREQUAL "")
@@ -427,6 +489,7 @@ endmacro()
pkg_check_modules(<PREFIX> [REQUIRED] [QUIET]
[NO_CMAKE_PATH] [NO_CMAKE_ENVIRONMENT_PATH]
+ [IMPORTED_TARGET]
<MODULE> [<MODULE>]*)
@@ -443,6 +506,9 @@ endmacro()
The ``NO_CMAKE_PATH`` and ``NO_CMAKE_ENVIRONMENT_PATH`` arguments
disable this behavior for the cache variables and the environment
variables, respectively.
+ The ``IMPORTED_TARGET`` argument will create an imported target named
+ PkgConfig::<PREFIX>> that can be passed directly as an argument to
+ :command:`target_link_libraries`.
It sets the following variables: ::
@@ -524,8 +590,8 @@ endmacro()
macro(pkg_check_modules _prefix _module0)
# check cached value
if (NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION} OR NOT ${_prefix}_FOUND)
- _pkgconfig_parse_options (_pkg_modules _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path "${_module0}" ${ARGN})
- _pkg_check_modules_internal("${_pkg_is_required}" "${_pkg_is_silent}" ${_no_cmake_path} ${_no_cmake_environment_path} "${_prefix}" ${_pkg_modules})
+ _pkgconfig_parse_options (_pkg_modules _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path _imp_target "${_module0}" ${ARGN})
+ _pkg_check_modules_internal("${_pkg_is_required}" "${_pkg_is_silent}" ${_no_cmake_path} ${_no_cmake_environment_path} ${_imp_target} "${_prefix}" ${_pkg_modules})
_pkgconfig_set(__pkg_config_checked_${_prefix} ${PKG_CONFIG_VERSION})
endif()
@@ -540,6 +606,7 @@ endmacro()
pkg_search_module(<PREFIX> [REQUIRED] [QUIET]
[NO_CMAKE_PATH] [NO_CMAKE_ENVIRONMENT_PATH]
+ [IMPORTED_TARGET]
<MODULE> [<MODULE>]*)
Examples
@@ -552,7 +619,7 @@ macro(pkg_search_module _prefix _module0)
# check cached value
if (NOT DEFINED __pkg_config_checked_${_prefix} OR __pkg_config_checked_${_prefix} LESS ${PKG_CONFIG_VERSION} OR NOT ${_prefix}_FOUND)
set(_pkg_modules_found 0)
- _pkgconfig_parse_options(_pkg_modules_alt _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path "${_module0}" ${ARGN})
+ _pkgconfig_parse_options(_pkg_modules_alt _pkg_is_required _pkg_is_silent _no_cmake_path _no_cmake_environment_path _imp_target "${_module0}" ${ARGN})
if (NOT ${_pkg_is_silent})
message(STATUS "Checking for one of the modules '${_pkg_modules_alt}'")
@@ -561,7 +628,7 @@ macro(pkg_search_module _prefix _module0)
# iterate through all modules and stop at the first working one.
foreach(_pkg_alt ${_pkg_modules_alt})
if(NOT _pkg_modules_found)
- _pkg_check_modules_internal(0 1 ${_no_cmake_path} ${_no_cmake_environment_path} "${_prefix}" "${_pkg_alt}")
+ _pkg_check_modules_internal(0 1 ${_no_cmake_path} ${_no_cmake_environment_path} ${_imp_target} "${_prefix}" "${_pkg_alt}")
endif()
if (${_prefix}_FOUND)
-----------------------------------------------------------------------
Summary of changes:
Modules/FindPkgConfig.cmake | 79 +++++++++++++++++++++++++++++++++++++++----
1 file changed, 73 insertions(+), 6 deletions(-)
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