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deps/libgit2/src/libgit2/CMakeLists.txt  view on Meta::CPAN

# 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