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cmake_minimum_required(VERSION 3.9)
project(openssl C)
if(NOT SOURCE_PATH)
message(FATAL_ERROR "Requires SOURCE_PATH")
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Android" OR CMAKE_SYSTEM_NAME STREQUAL "Linux")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
set(PLATFORM linux-x86_64)
else()
set(PLATFORM linux-generic32)
endif()
elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
set(PLATFORM darwin64-x86_64-cc)
elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(PLATFORM BSD-generic64)
elseif(MINGW)
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
set(PLATFORM mingw64)
else()
set(PLATFORM mingw)
endif()
else()
message(FATAL_ERROR "Unknown platform")
endif()
get_filename_component(COMPILER_ROOT "${CMAKE_C_COMPILER}" DIRECTORY)
message("CMAKE_C_COMPILER=${CMAKE_C_COMPILER}")
message("COMPILER_ROOT=${COMPILER_ROOT}")
message("CMAKE_SYSROOT=${CMAKE_SYSROOT}")
message("CMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT}")
message("CMAKE_C_FLAGS=${CMAKE_C_FLAGS}")
message("CMAKE_C_FLAGS_RELEASE=${CMAKE_C_FLAGS_RELEASE}")
message("CMAKE_C_FLAGS_DEBUG=${CMAKE_C_FLAGS_DEBUG}")
message("CMAKE_INCLUDE_SYSTEM_FLAG_C=${CMAKE_INCLUDE_SYSTEM_FLAG_C}")
set(CFLAGS "${CMAKE_C_FLAGS}")
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CFLAGS "-Wno-error=unused-command-line-argument ${CMAKE_C_FLAGS}")
endif()
if(CMAKE_C_COMPILER_TARGET AND CMAKE_C_COMPILE_OPTIONS_TARGET)
set(CFLAGS "${CFLAGS} ${CMAKE_C_COMPILE_OPTIONS_TARGET}${CMAKE_C_COMPILER_TARGET}")
endif()
if(CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN AND CMAKE_C_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN)
set(CFLAGS "${CFLAGS} ${CMAKE_C_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN}${CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN}")
endif()
if(CMAKE_SYSROOT AND CMAKE_C_COMPILE_OPTIONS_SYSROOT)
set(CFLAGS "${CFLAGS} ${CMAKE_C_COMPILE_OPTIONS_SYSROOT}${CMAKE_SYSROOT}")
elseif(CMAKE_OSX_SYSROOT AND CMAKE_C_COMPILE_OPTIONS_SYSROOT)
set(CFLAGS "${CFLAGS} ${CMAKE_C_COMPILE_OPTIONS_SYSROOT}${CMAKE_OSX_SYSROOT}")
endif()
string(REGEX REPLACE "^ " "" CFLAGS "${CFLAGS}")
if(CMAKE_HOST_WIN32)
file(TO_NATIVE_PATH ENV_PATH "${COMPILER_ROOT};$ENV{PATH}")
else()
file(TO_NATIVE_PATH ENV_PATH "${COMPILER_ROOT}:$ENV{PATH}")
endif()
set(ENV{ANDROID_DEV} "${CMAKE_SYSROOT}/usr")
set(ENV{CC} "${CMAKE_C_COMPILER}")
message("ENV{ANDROID_DEV}=$ENV{ANDROID_DEV}")
get_filename_component(SOURCE_PATH_NAME "${SOURCE_PATH}" NAME)
set(BUILDDIR "${CMAKE_CURRENT_BINARY_DIR}/${SOURCE_PATH_NAME}")
if(NOT EXISTS "${BUILDDIR}")
file(COPY ${SOURCE_PATH} DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
endif()
get_filename_component(MSYS_BIN_DIR "${MAKE}" DIRECTORY)
if(BUILD_SHARED_LIBS)
set(SHARED shared)
file(STRINGS "${BUILDDIR}/include/openssl/opensslv.h" SHLIB_VERSION
REGEX "^#[\t ]*define[\t ]+SHLIB_VERSION_NUMBER[\t ]+\".*\".*")
string(REGEX REPLACE "^.*SHLIB_VERSION_NUMBER[\t ]+\"([^\"]*)\".*$" "\\1"
SHLIB_VERSION "${SHLIB_VERSION}")
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
set(LIB_EXT dylib)
set(LIB_EXTS ${SHLIB_VERSION}.${LIB_EXT})
elseif(MINGW)
string(REPLACE "." "_" SHLIB_VERSION "${SHLIB_VERSION}")
set(BIN_EXT dll)
set(LIB_EXT dll.a)
else()
set(LIB_EXT so)
set(LIB_EXTS ${LIB_EXT}.${SHLIB_VERSION})
endif()
list(APPEND BIN_EXTS ${BIN_EXT})
list(APPEND LIB_EXTS ${LIB_EXT})
else()
set(SHARED no-shared)
set(LIB_EXTS a)
endif()
foreach(lib ssl crypto)
foreach(ext ${LIB_EXTS})
list(APPEND INSTALL_LIBS "${BUILDDIR}/lib${lib}.${ext}")
endforeach()
foreach(ext ${BIN_EXTS})
# This might be wrong for targets which don't follow this naming scheme, but I'm not aware of any
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
list(APPEND INSTALL_BINS "${BUILDDIR}/lib${lib}-${SHLIB_VERSION}-x64.${ext}")
else()
list(APPEND INSTALL_BINS "${BUILDDIR}/lib${lib}-${SHLIB_VERSION}.${ext}")
endif()
endforeach()
endforeach()
if(CMAKE_HOST_WIN32)
set(ENV_COMMAND set)
set(PATH_VAR ";%PATH%")
else()
set(ENV_COMMAND export)
set(PATH_VAR ":$ENV{PATH}")
endif()
add_custom_command(
OUTPUT "${BUILDDIR}/Makefile"
COMMAND ${ENV_COMMAND} CC=${CMAKE_C_COMPILER}
COMMAND ${ENV_COMMAND} AR=${CMAKE_AR}
COMMAND ${ENV_COMMAND} LD=${CMAKE_LINKER}
COMMAND ${ENV_COMMAND} RANLIB=${CMAKE_RANLIB}
COMMAND ${ENV_COMMAND} MAKE=${MAKE}
COMMAND ${ENV_COMMAND} MAKEDEPPROG=${CMAKE_C_COMPILER}
COMMAND ${ENV_COMMAND} "PATH=${MSYS_BIN_DIR}${PATH_VAR}"
COMMAND "${PERL}" Configure
${SHARED}
enable-static-engine
no-zlib
no-ssl2
no-idea
no-bf
no-cast
no-seed
no-md2
no-tests
${PLATFORM}
"--prefix=${CMAKE_INSTALL_PREFIX}"
"--openssldir=/etc/ssl"
${CFLAGS}
COMMAND "${CMAKE_COMMAND}" "-DDIR=${BUILDDIR}" -P "${CMAKE_CURRENT_LIST_DIR}/remove-deps.cmake"
VERBATIM
WORKING_DIRECTORY "${BUILDDIR}"
)
add_custom_target(build_libs ALL
COMMAND ${ENV_COMMAND} "PATH=${MSYS_BIN_DIR}${PATH_VAR}"
COMMAND "${CMAKE_COMMAND}" -E touch "${BUILDDIR}/krb5.h"
COMMAND "${MAKE}" build_libs
VERBATIM
WORKING_DIRECTORY "${BUILDDIR}"
DEPENDS "${BUILDDIR}/Makefile"
BYPRODUCTS ${INSTALL_LIBS}
)
install(
FILES ${INSTALL_LIBS}
DESTINATION lib
)
install(
FILES ${INSTALL_BINS}
DESTINATION bin
)
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