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Automatically find homebrew packages if present.

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This commit is contained in:
Alessandro Gatti 2015-01-03 00:07:46 +01:00
parent d179b4eb21
commit 4130129216
1 changed files with 38 additions and 2 deletions
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40
CMakeLists.txt
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@ -17,6 +17,42 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Taken from https://gist.github.com/steakknife/c36c99b51703fc6f6c1b
macro(find_package_prefer_brew _package)
unset(_brew_path)
unset(_brew_pkg_lower)
unset(_has_brew)
find_program(_has_brew NAMES brew DOC "path to Homebrew executable")
if(_has_brew)
string(TOLOWER ${_package} _brew_pkg_lower)
execute_process(COMMAND brew --prefix ${_brew_pkg_lower} ERROR_QUIET OUTPUT_VARIABLE _brew_path)
if(_brew_path)
string(REGEX REPLACE "\n" "" _brew_path ${_brew_path})
endif(_brew_path)
if(EXISTS ${_brew_path})
list(INSERT CMAKE_MODULE_PATH 0 "${_brew_path}")
if(EXISTS "${_brew_path}/bin")
list(INSERT CMAKE_PROGRAM_PATH 0 "${_brew_path}/bin")
endif(EXISTS "${_brew_path}/bin")
if(EXISTS "${_brew_path}/include")
list(INSERT CMAKE_INCLUDE_PATH 0 "${_brew_path}/include")
endif(EXISTS "${_brew_path}/include")
if(EXISTS "${_brew_path}/lib")
list(INSERT CMAKE_LIBRARY_PATH 0 "${_brew_path}/lib")
endif(EXISTS "${_brew_path}/lib")
find_package(${_package} ${ARGN})
else(EXISTS ${_brew_path})
find_package(${_package} ${ARGN})
endif(EXISTS ${_brew_path})
else(_has_brew)
find_package(${_package} ${ARGN})
endif(_has_brew)
endmacro(find_package_prefer_brew)
project(Monicelli)
cmake_minimum_required(VERSION 2.8)
@ -46,8 +82,8 @@ endif()
## 2. Find Flex and Bison
find_package(BISON REQUIRED)
find_package(FLEX 2.5 REQUIRED)
find_package_prefer_brew(BISON REQUIRED)
find_package_prefer_brew(FLEX 2.5 REQUIRED)
if (BISON_VERSION VERSION_LESS 2.5)
message(FATAL_ERROR "At least Bison 2.5 is required.")