Add export symbol support to CMake

This commit is contained in:
kinichiro 2017-01-17 21:27:41 +09:00
parent 3b2560feb3
commit 3b8cf47307
5 changed files with 47 additions and 5 deletions

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@ -4,6 +4,9 @@ include(CheckLibraryExists)
include(CheckIncludeFiles)
include(CheckTypeSize)
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}" ${CMAKE_MODULE_PATH})
include(cmake_export_symbol)
project (LibreSSL C)
enable_testing()

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@ -5,7 +5,7 @@ pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = libcrypto.pc libssl.pc libtls.pc openssl.pc
EXTRA_DIST = README.md README.windows VERSION config scripts
EXTRA_DIST += CMakeLists.txt cmake_uninstall.cmake.in
EXTRA_DIST += CMakeLists.txt cmake_export_symbol.cmake cmake_uninstall.cmake.in
.PHONY: install_sw
install_sw: install

41
cmake_export_symbol.cmake Normal file
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@ -0,0 +1,41 @@
macro(export_symbol TARGET FILENAME)
set(FLAG "")
if(WIN32)
string(REPLACE ".sym" ".def" DEF_FILENAME ${FILENAME})
target_sources(${TARGET} PRIVATE ${DEF_FILENAME})
elseif(APPLE)
set(FLAG "-exported_symbols_list ${FILENAME}")
set_target_properties(${TARGET} PROPERTIES LINK_FLAGS ${FLAG})
elseif(CMAKE_SYSTEM_NAME MATCHES "HP-UX")
file(READ ${FILENAME} SYMBOLS)
string(REGEX REPLACE "\n$" "" SYMBOLS ${SYMBOLS})
string(REPLACE "\n" "\n+e " SYMBOLS ${SYMBOLS})
string(REPLACE ".sym" ".opt" OPT_FILENAME ${FILENAME})
file(WRITE ${OPT_FILENAME} "+e ${SYMBOLS}")
set(FLAG "-Wl,-c,${OPT_FILENAME}")
set_target_properties(${TARGET} PROPERTIES LINK_FLAGS ${FLAG})
elseif(CMAKE_SYSTEM_NAME MATCHES "SunOS")
file(READ ${FILENAME} SYMBOLS)
string(REPLACE "\n" ";\n" SYMBOLS ${SYMBOLS})
string(REPLACE ".sym" ".ver" VER_FILENAME ${FILENAME})
file(WRITE ${VER_FILENAME}
"{\nglobal:\n${SYMBOLS}\nlocal:\n*;\n};\n")
set(FLAG "-Wl,-M${VER_FILENAME}")
set_target_properties(${TARGET} PROPERTIES LINK_FLAGS ${FLAG})
elseif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
file(READ ${FILENAME} SYMBOLS)
string(REPLACE "\n" ";\n" SYMBOLS ${SYMBOLS})
string(REPLACE ".sym" ".ver" VER_FILENAME ${FILENAME})
file(WRITE ${VER_FILENAME}
"{\nglobal:\n${SYMBOLS}\nlocal:\n*;\n};\n")
set(FLAG "-Wl,--version-script,\"${VER_FILENAME}\"")
set_target_properties(${TARGET} PROPERTIES LINK_FLAGS ${FLAG})
endif()
endmacro()

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@ -52,9 +52,8 @@ add_library(ssl-objects OBJECT ${SSL_SRC})
if (BUILD_SHARED)
add_library(ssl STATIC $<TARGET_OBJECTS:ssl-objects>)
add_library(ssl-shared SHARED $<TARGET_OBJECTS:ssl-objects>)
export_symbol(ssl-shared ${CMAKE_CURRENT_SOURCE_DIR}/ssl.sym)
if (WIN32)
target_sources(ssl-shared PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/ssl.def)
target_link_libraries(ssl-shared crypto-shared Ws2_32.lib)
set(SSL_POSTFIX -${SSL_MAJOR_VERSION})
endif()

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@ -33,9 +33,8 @@ add_library(tls-objects OBJECT ${TLS_SRC})
if (BUILD_SHARED)
add_library(tls STATIC $<TARGET_OBJECTS:tls-objects>)
add_library(tls-shared SHARED $<TARGET_OBJECTS:tls-objects>)
export_symbol(tls-shared ${CMAKE_CURRENT_SOURCE_DIR}/tls.sym)
if (WIN32)
target_sources(tls-shared PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/tls.def)
target_link_libraries(tls-shared ssl-shared crypto-shared Ws2_32.lib)
set(TLS_POSTFIX -${TLS_MAJOR_VERSION})
endif()