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Merge pull request #128 from redstar/cmake_libconfig

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New CMake module to locate libconfig++
This commit is contained in:
David Nadlinger
2012-06-19 12:31:05 -07:00
parent 920c563c7e 79c02f2a79
commit e7afd77313
2 changed files with 26 additions and 22 deletions
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27
CMakeLists.txt
View File

@@ -23,25 +23,7 @@ find_package(LLVM 3.0 EXACT REQUIRED
#
# Locate libconfig++.
#
include(FindPkgConfig)
if(PKG_CONFIG_FOUND)
pkg_search_module(LIBCONFIGPP libconfig++)
if(LIBCONFIGPP_FOUND)
set(LIBCONFIG_CXXFLAGS ${LIBCONFIGPP_CFLAGS} CACHE STRING "libconfig++ compiler flags")
set(LIBCONFIG_LDFLAGS ${LIBCONFIGPP_LDFLAGS} CACHE STRING "libconfig++ linker flags")
endif()
else()
message(WARNING "pkg-config not found. libconfig++ options cannot be detected, you might need to set them manually.")
endif()
# libconfig++ is actually a required dependency, but has never been defined as
# one – maybe there was a problem with the auto detection once.
if (NOT LIBCONFIGPP_FOUND)
set(LIBCONFIG_CXXFLAGS "" CACHE STRING "libconfig++ compiler flags")
set(LIBCONFIG_LDFLAGS "" CACHE STRING "libconfig++ linker flags")
message(WARNING "libconfig++ not found. If compilation fails but the library is installed, consider manually setting the LIBCONFIG_CXXFLAGS and LIBCONFIG_LDFLAGS CMake variables.")
endif()
find_package(LibConfig++ REQUIRED)
#
# Main configuration.
@@ -277,6 +259,7 @@ include_directories(
${PROJECT_BINARY_DIR}/${DMDFE_PATH}
${PROJECT_SOURCE_DIR}
${LLVM_INCLUDE_DIRS}
${LIBCONFIG++_INCLUDE_DIR}
)
if(MSVC)
@@ -330,7 +313,7 @@ set_target_properties(
ARCHIVE_OUTPUT_NAME ldc
LIBRARY_OUTPUT_NAME ldc
RUNTIME_OUTPUT_NAME ldc
COMPILE_FLAGS "${LLVM_CXXFLAGS} ${LIBCONFIG_CXXFLAGS} ${EXTRA_CXXFLAGS}"
COMPILE_FLAGS "${LLVM_CXXFLAGS} ${EXTRA_CXXFLAGS}"
)
# LDFLAGS should actually be in target property LINK_FLAGS, but this works, and gets around linking problems
@@ -351,9 +334,9 @@ set_target_properties(
${LDC_EXE} PROPERTIES
OUTPUT_NAME ${LDC_EXE_NAME}
RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin
COMPILE_FLAGS "${LLVM_CXXFLAGS} ${LIBCONFIG_CXXFLAGS} ${EXTRA_CXXFLAGS}"
COMPILE_FLAGS "${LLVM_CXXFLAGS} ${EXTRA_CXXFLAGS}"
)
target_link_libraries(${LDC_EXE} ${LDC_LIB} ${LIBCONFIG_LDFLAGS} config++)
target_link_libraries(${LDC_EXE} ${LDC_LIB} ${LIBCONFIG++_LIBRARY})
# For use by the druntime/Phobos build system.
get_target_property(LDC_LOC ${LDC_EXE} LOCATION)

21
cmake/Modules/FindLibConfig++.cmake Normal file
View File

@@ -0,0 +1,21 @@
# Find the libconfig++ includes and library
#
# This module defines
# LIBCONFIG++_INCLUDE_DIR, where to find libconfig++ include files, etc.
# LIBCONFIG++_LIBRARY, the library to link against to use libconfig++.
# LIBCONFIG++_FOUND, If false, do not try to use libconfig++.
set(LIBCONFIG++_FOUND FALSE)
find_path(LIBCONFIG++_INCLUDE_DIR libconfig.h++)
find_library(LIBCONFIG++_LIBRARY config++)
if (LIBCONFIG++_INCLUDE_DIR AND LIBCONFIG++_LIBRARY)
set(LIBCONFIG++_FOUND TRUE)
endif (LIBCONFIG++_INCLUDE_DIR AND LIBCONFIG++_LIBRARY)
# Use the default CMake facilities for handling QUIET/REQUIRED.
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LIBCONFIG++
REQUIRED_VARS LIBCONFIG++_INCLUDE_DIR LIBCONFIG++_LIBRARY)