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#
# Lua bindings for libgit2
#
cmake_minimum_required(VERSION 2.8)
project(lua-git2 C)
set(BUILD_SHARED_LIBS TRUE)
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
set(INSTALL_CMOD share/lua/cmod CACHE PATH "Directory to install Lua binary modules (configure lua via LUA_CPATH)")
set(LUA_NATIVE_OBJECTS_PATH ../LuaNativeObjects CACHE PATH
"Directory to LuaNativeObjects bindings generator.")
set(USE_PRE_GENERATED_BINDINGS TRUE CACHE BOOL
"Set this to FALSE to re-generate bindings using LuaNativeObjects")
set(COMMON_CFLAGS "${CFLAGS}")
set(COMMON_LDFLAGS)
set(COMMON_LIBS)
## Lua 5.1.x
include(FindLua51)
if(NOT ${LUA51_FOUND})
message(FATAL_ERROR "The FindLua51 module could not find lua :-(")
endif()
set(COMMON_LIBS "${COMMON_LIBS};${LUA_LIBRARIES}")
## LibGit2
include(FindPkgConfig)
pkg_search_module(GIT2 REQUIRED libgit2)
set(COMMON_CFLAGS "${COMMON_CFLAGS} ${GIT2_CFLAGS}")
set(COMMON_LDFLAGS "${COMMON_LDFLAGS} ${GIT2_LDFLAGS}")
set(COMMON_LIBS "${COMMON_LIBS};${GIT2_LIBRARIES}")
## check for git_repository_open_no_backend() function.
include(CheckCSourceCompiles)
set(CMAKE_REQUIRED_LIBRARIES "${GIT2_LIBRARIES}")
check_c_source_compiles("
#include <git2.h>
int main(int argc, char *argv[]) {
return git_repository_open_no_backend(NULL,NULL,NULL,NULL,NULL);
}" HAVE_git_repository_open_no_backend)
## LuaNativeObjects
include(LuaNativeObjects)
## generate config.h
configure_file(${CMAKE_SOURCE_DIR}/config.h.cmake
${CMAKE_SOURCE_DIR}/build/config.h)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_CURRENT_BINARY_DIR}
${LUA_INCLUDE_DIR})
## LuaGit2
set(LUA_GIT2_SRC
git2.nobj.lua
)
if(${USE_PRE_GENERATED_BINDINGS})
set(LUA_GIT2_SRC pre_generated-git2.nobj.c)
else()
# Generate Lua bindings.
GenLuaNativeObjects(LUA_GIT2_SRC)
endif()
add_library(lua-git2 MODULE ${LUA_GIT2_SRC})
target_link_libraries(lua-git2 ${COMMON_LIBS})
set_target_properties(lua-git2 PROPERTIES PREFIX "")
set_target_properties(lua-git2 PROPERTIES COMPILE_FLAGS "${COMMON_CFLAGS}")
set_target_properties(lua-git2 PROPERTIES OUTPUT_NAME git2)
install(TARGETS lua-git2
DESTINATION "${INSTALL_CMOD}")
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