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# libgit2: the shared library: this CMakeLists.txt compiles the core
# git library functionality.
add_library(libgit2 OBJECT)
set_target_properties(libgit2 PROPERTIES C_STANDARD 90)
set_target_properties(libgit2 PROPERTIES C_EXTENSIONS OFF)
include(PkgBuildConfig)
set(LIBGIT2_INCLUDES
"${PROJECT_BINARY_DIR}/src"
"${PROJECT_SOURCE_DIR}/src/libgit2"
"${PROJECT_SOURCE_DIR}/src/util"
"${PROJECT_SOURCE_DIR}/include")
if(WIN32 AND EMBED_SSH_PATH)
file(GLOB SRC_SSH "${EMBED_SSH_PATH}/src/*.c")
list(SORT SRC_SSH)
target_sources(libgit2 PRIVATE ${SRC_SSH})
list(APPEND LIBGIT2_SYSTEM_INCLUDES "${EMBED_SSH_PATH}/include")
file(WRITE "${EMBED_SSH_PATH}/src/libssh2_config.h" "#define HAVE_WINCNG\n#define LIBSSH2_WINCNG\n#include \"../win32/libssh2_config.h\"")
set(GIT_SSH 1)
endif()
# Collect sourcefiles
file(GLOB SRC_H
"${PROJECT_SOURCE_DIR}/include/git2.h"
"${PROJECT_SOURCE_DIR}/include/git2/*.h"
"${PROJECT_SOURCE_DIR}/include/git2/sys/*.h")
list(SORT SRC_H)
target_sources(libgit2 PRIVATE ${SRC_H})
file(GLOB SRC_GIT2 *.c *.h
streams/*.c streams/*.h
transports/*.c transports/*.h
xdiff/*.c xdiff/*.h)
list(SORT SRC_GIT2)
target_sources(libgit2 PRIVATE ${SRC_GIT2})
if(WIN32 AND NOT CYGWIN)
# Add resource information on Windows
set(SRC_RC "git2.rc")
endif()
if(APPLE)
# The old Secure Transport API has been deprecated in macOS 10.15.
set_source_files_properties(streams/stransport.c PROPERTIES COMPILE_FLAGS -Wno-deprecated)
endif()
# the xdiff dependency is not (yet) warning-free, disable warnings
# as errors for the xdiff sources until we've sorted them out
if(MSVC)
set_source_files_properties(xdiff/xdiffi.c PROPERTIES COMPILE_FLAGS -WX-)
set_source_files_properties(xdiff/xemit.c PROPERTIES COMPILE_FLAGS -WX-)
set_source_files_properties(xdiff/xhistogram.c PROPERTIES COMPILE_FLAGS -WX-)
set_source_files_properties(xdiff/xmerge.c PROPERTIES COMPILE_FLAGS -WX-)
set_source_files_properties(xdiff/xutils.c PROPERTIES COMPILE_FLAGS -WX-)
set_source_files_properties(xdiff/xpatience.c PROPERTIES COMPILE_FLAGS -WX-)
else()
set_source_files_properties(xdiff/xdiffi.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare -Wno-unused-parameter")
set_source_files_properties(xdiff/xemit.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare -Wno-unused-parameter")
set_source_files_properties(xdiff/xhistogram.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
set_source_files_properties(xdiff/xutils.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
set_source_files_properties(xdiff/xpatience.c PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
endif()
ide_split_sources(libgit2)
list(APPEND LIBGIT2_OBJECTS $<TARGET_OBJECTS:util> $<TARGET_OBJECTS:libgit2> ${LIBGIT2_DEPENDENCY_OBJECTS})
target_include_directories(libgit2 PRIVATE ${LIBGIT2_INCLUDES} ${LIBGIT2_DEPENDENCY_INCLUDES} PUBLIC ${PROJECT_SOURCE_DIR}/include)
target_include_directories(libgit2 SYSTEM PRIVATE ${LIBGIT2_SYSTEM_INCLUDES})
set(LIBGIT2_INCLUDES ${LIBGIT2_INCLUDES} PARENT_SCOPE)
set(LIBGIT2_OBJECTS ${LIBGIT2_OBJECTS} PARENT_SCOPE)
set(LIBGIT2_DEPENDENCY_INCLUDES ${LIBGIT2_DEPENDENCY_INCLUDES} PARENT_SCOPE)
set(LIBGIT2_DEPENDENCY_OBJECTS ${LIBGIT2_DEPENDENCY_OBJECTS} PARENT_SCOPE)
set(LIBGIT2_SYSTEM_INCLUDES ${LIBGIT2_SYSTEM_INCLUDES} PARENT_SCOPE)
set(LIBGIT2_SYSTEM_LIBS ${LIBGIT2_SYSTEM_LIBS} PARENT_SCOPE)
#
# Compile and link libgit2
#
add_library(libgit2package ${SRC_RC} ${LIBGIT2_OBJECTS})
target_link_libraries(libgit2package ${LIBGIT2_SYSTEM_LIBS})
set_target_properties(libgit2package PROPERTIES C_STANDARD 90)
set_target_properties(libgit2package PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
set_target_properties(libgit2package PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
set_target_properties(libgit2package PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
# Workaround for Cmake bug #0011240 (see http://public.kitware.com/Bug/view.php?id=11240)
# Win64+MSVC+static libs = linker error
if(MSVC AND GIT_ARCH_64 AND NOT BUILD_SHARED_LIBS)
set_target_properties(libgit2package PROPERTIES STATIC_LIBRARY_FLAGS "/MACHINE:x64")
endif()
ide_split_sources(libgit2package)
if(SONAME)
set_target_properties(libgit2package PROPERTIES VERSION ${libgit2_VERSION})
set_target_properties(libgit2package PROPERTIES SOVERSION "${libgit2_VERSION_MAJOR}.${libgit2_VERSION_MINOR}")
if(LIBGIT2_FILENAME)
target_compile_definitions(libgit2package PRIVATE LIBGIT2_FILENAME=\"${LIBGIT2_FILENAME}\")
set_target_properties(libgit2package PROPERTIES OUTPUT_NAME ${LIBGIT2_FILENAME})
elseif(DEFINED LIBGIT2_PREFIX)
set_target_properties(libgit2package PROPERTIES PREFIX "${LIBGIT2_PREFIX}")
endif()
endif()
pkg_build_config(NAME libgit2
VERSION ${libgit2_VERSION}
DESCRIPTION "The git library, take 2"
LIBS_SELF git2
PRIVATE_LIBS ${LIBGIT2_PC_LIBS}
REQUIRES ${LIBGIT2_PC_REQUIRES})
if(MSVC_IDE)
# Precompiled headers
set_target_properties(libgit2package PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
set_source_files_properties(win32/precompiled.c COMPILE_FLAGS "/Ycprecompiled.h")
endif()
# Install
install(TARGETS libgit2package
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/git2 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(FILES ${PROJECT_SOURCE_DIR}/include/git2.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
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