diff options
Diffstat (limited to 'third_party/immer/cmake/FindBoehmGC.cmake')
| -rw-r--r-- | third_party/immer/cmake/FindBoehmGC.cmake | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/third_party/immer/cmake/FindBoehmGC.cmake b/third_party/immer/cmake/FindBoehmGC.cmake new file mode 100644 index 0000000000..bdb7240e6d --- /dev/null +++ b/third_party/immer/cmake/FindBoehmGC.cmake @@ -0,0 +1,108 @@ +# - Try to find Boehm GC +# Once done, this will define +# +# BOEHM_GC_FOUND - system has Boehm GC +# BOEHM_GC_INCLUDE_DIR - the Boehm GC include directories +# BOEHM_GC_LIBRARIES - link these to use Boehm GC +# +# Copyright (c) 2010-2015 Takashi Kato <ktakashi@ymail.com> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# $Id: $ +# + +# CMake module to find Boehm GC + +# use pkg-config if available +FIND_PACKAGE(PkgConfig) +PKG_CHECK_MODULES(PC_BDW_GC QUIET bdw-gc) + +# try newer one first in case of gc.h is overwritten. +FIND_PATH(BOEHM_GC_INCLUDE_DIR gc/gc.h + HINTS ${PC_BDW_GC_INCLUDEDIR} ${PC_BDW_GC_INCLUDE_DIRS}) + +IF (NOT BOEHM_GC_INCLUDE_DIR) + FIND_PATH(BOEHM_GC_INCLUDE_DIR gc.h + HINTS ${PC_BDW_GC_INCLUDEDIR} ${PC_BDW_GC_INCLUDE_DIRS}) + IF (BOEHM_GC_INCLUDE_DIR) + SET(HAVE_GC_H TRUE) + ENDIF() +ELSE() + SET(HAVE_GC_GC_H TRUE) +ENDIF() + +# For FreeBSD we need to use gc-threaded +IF (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD") + # checks if 'gc' supports 'GC_get_parallel' and if it does + # then use it + INCLUDE(${CMAKE_ROOT}/Modules/CheckCSourceCompiles.cmake) + # not sure if this links properly... + FIND_LIBRARY(BOEHM_GC_LIBRARIES NAMES gc + HINTS ${PC_BDW_GC_LIBDIR} ${PC_BDW_GC_LIBRARY_DIRS}) + MESSAGE(STATUS "GC library ${BOEHM_GC_LIBRARIES}") + SET(CMAKE_REQUIRED_LIBRARIES "gc") + SET(CMAKE_REQUIRED_DEFINITIONS "-DGC_THREADS") + SET(CMAKE_REQUIRED_INCLUDES "${BOEHM_GC_INCLUDE_DIR}") + SET(CMAKE_REQUIRED_FLAGS "-L${PC_BDW_GC_LIBRARY_DIRS}") + MESSAGE(STATUS "Boehm GC include dir: ${CMAKE_REQUIRED_INCLUDES}") + CHECK_C_SOURCE_RUNS( + "#include <gc.h> +int main() { +int i= GC_get_parallel(); +return 0; +} +" GC_GET_PARALLEL_WORKS) + IF (NOT GC_GET_PARALLEL_WORKS) + MESSAGE(STATUS "Try gc-threaded") + + # bdw-gc-threaded is the proper name for FreeBSD pkg-config + PKG_CHECK_MODULES(PC_BDW_GC_THREADED bdw-gc-threaded) + FIND_LIBRARY(BOEHM_GC_THREADED_LIBRARIES NAMES gc-threaded + HINTS ${PC_BDW_GC_THREADED_LIBDIR} ${PC_BDW_GC_THREADED_THREADED_DIRS}) + + MESSAGE(STATUS "GC threaded library ${BOEHM_GC_THREADED_LIBRARIES}") + IF (BOEHM_GC_THREADED_LIBRARIES) + # OK just use it + SET(BOEHM_GC_LIBRARIES "${BOEHM_GC_THREADED_LIBRARIES}") + ENDIF() + ENDIF() +ELSE() + FIND_LIBRARY(BOEHM_GC_LIBRARIES NAMES gc + HINTS ${PC_BDW_GC_LIBDIR} ${PC_BDW_GC_LIBRARY_DIRS}) + # OpenSolaris uses bgc as Boehm GC runtime in its package manager. + # so try it + IF (NOT BOEHM_GC_LIBRARIES) + FIND_LIBRARY(BOEHM_GC_LIBRARIES NAMES bgc + HINTS ${PC_BDW_GC_LIBDIR} ${PC_BDW_GC_LIBRARY_DIRS}) + ENDIF() +ENDIF() + +MESSAGE(STATUS "Found GC library: ${BOEHM_GC_LIBRARIES}") + +INCLUDE(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(Boehm_GC DEFAULT_MSG + BOEHM_GC_LIBRARIES BOEHM_GC_INCLUDE_DIR) + +MARK_AS_ADVANCED(BOEHM_GC_LIBRARIES BOEHM_GC_INCLUDE_DIR) |