summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--cmake/CMakeFindBinUtils.cmake8
-rw-r--r--cmake/checks.cmake15
-rw-r--r--cmake/config.cmake2
-rw-r--r--src/CMakeLists.txt4
-rw-r--r--src/crypto/mac/ghash/pclmulqdq/CMakeLists.txt2
5 files changed, 25 insertions, 6 deletions
diff --git a/cmake/CMakeFindBinUtils.cmake b/cmake/CMakeFindBinUtils.cmake
index 83d1a4e..753577a 100644
--- a/cmake/CMakeFindBinUtils.cmake
+++ b/cmake/CMakeFindBinUtils.cmake
@@ -1,5 +1,7 @@
-find_program(CMAKE_AR NAMES ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
-find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
-find_program(CMAKE_RANLIB NAMES ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+if(CMAKE_COMPILER_IS_GNUCC)
+ find_program(CMAKE_AR NAMES ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+ find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}gcc-nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+ find_program(CMAKE_RANLIB NAMES ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
+endif(CMAKE_COMPILER_IS_GNUCC)
include(${CMAKE_ROOT}/Modules/CMakeFindBinUtils.cmake)
diff --git a/cmake/checks.cmake b/cmake/checks.cmake
index 225c443..62d10d0 100644
--- a/cmake/checks.cmake
+++ b/cmake/checks.cmake
@@ -9,6 +9,21 @@ if(ARCH_X86 OR ARCH_X86_64)
check_c_compiler_flag("-mpclmul" HAVE_PCLMUL)
endif(ARCH_X86 OR ARCH_X86_64)
+
+
+if(ENABLE_LTO)
+ set(CFLAGS_LTO "-flto")
+ set(CFLAGS_NO_LTO "-fno-lto")
+
+ check_c_compiler_flag("-fwhole-program" HAVE_FLAG_WHOLE_PROGRAM)
+ if(HAVE_FLAG_WHOLE_PROGRAM)
+ set(LDFLAGS_LTO "-flto -fwhole-program")
+ else(HAVE_FLAG_WHOLE_PROGRAM)
+ set(LDFLAGS_LTO "-flto")
+ endif(HAVE_FLAG_WHOLE_PROGRAM)
+endif(ENABLE_LTO)
+
+
check_c_source_compiles("
#include <sys/types.h>
#include <sys/socket.h>
diff --git a/cmake/config.cmake b/cmake/config.cmake
index e08955e..e77abc8 100644
--- a/cmake/config.cmake
+++ b/cmake/config.cmake
@@ -23,6 +23,8 @@ set(WITH_CAPABILITIES ${LINUX} CACHE BOOL "Include support for POSIX capabilitie
set(ENABLE_LIBSODIUM TRUE CACHE BOOL "Use libsodium instead of NaCl")
set(ENABLE_OPENSSL FALSE CACHE BOOL "Enable crypto implementations using OpenSSL")
+set(ENABLE_LTO FALSE CACHE BOOL "Enable link-time optimization")
+
if(LINUX)
set(ENABLE_SYSTEMD TRUE CACHE BOOL "Enable systemd support")
endif(LINUX)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9802883..792d9cb 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
set_directory_properties(PROPERTIES COMPILE_DEFINITIONS _GNU_SOURCE)
-set(FASTD_CFLAGS "-pthread -std=c99 ${UECC_CFLAGS_OTHER} ${NACL_CFLAGS_OTHER} ${OPENSSL_CRYPTO_CFLAGS_OTHER} -Wall")
+set(FASTD_CFLAGS "-pthread -std=c99 ${UECC_CFLAGS_OTHER} ${NACL_CFLAGS_OTHER} ${OPENSSL_CRYPTO_CFLAGS_OTHER} ${CFLAGS_LTO} -Wall")
include_directories(${FASTD_SOURCE_DIR} ${FASTD_BINARY_DIR}/src)
link_directories(${UECC_LIBRARY_DIRS} ${NACL_LIBRARY_DIRS} ${OPENSSL_CRYPTO_LIBRARY_DIRS})
@@ -43,7 +43,7 @@ add_executable(fastd
${BISON_fastd_config_parse_OUTPUTS}
)
set_property(TARGET fastd PROPERTY COMPILE_FLAGS "${FASTD_CFLAGS}")
-set_property(TARGET fastd PROPERTY LINK_FLAGS "-pthread ${UECC_LDFLAGS_OTHER} ${NACL_LDFLAGS_OTHER} ${OPENSSL_CRYPTO_LDFLAGS_OTHER}")
+set_property(TARGET fastd PROPERTY LINK_FLAGS "-pthread ${UECC_LDFLAGS_OTHER} ${NACL_LDFLAGS_OTHER} ${OPENSSL_CRYPTO_LDFLAGS_OTHER} ${LDFLAGS_LTO}")
set_property(TARGET fastd APPEND PROPERTY INCLUDE_DIRECTORIES ${CAP_INCLUDE_DIR} ${NACL_INCLUDE_DIRS})
target_link_libraries(fastd protocols methods ciphers macs ${RT_LIBRARY} ${CAP_LIBRARY} ${UECC_LIBRARIES} ${NACL_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARIES})
diff --git a/src/crypto/mac/ghash/pclmulqdq/CMakeLists.txt b/src/crypto/mac/ghash/pclmulqdq/CMakeLists.txt
index f96f680..f3b407e 100644
--- a/src/crypto/mac/ghash/pclmulqdq/CMakeLists.txt
+++ b/src/crypto/mac/ghash/pclmulqdq/CMakeLists.txt
@@ -3,7 +3,7 @@ if(ARCH_X86 OR ARCH_X86_64)
ghash_pclmulqdq.c
ghash_pclmulqdq_impl.c
)
- fastd_mac_impl_compile_flags(ghash pclmulqdq ghash_pclmulqdq_impl.c "-mssse3 -mpclmul")
+ fastd_mac_impl_compile_flags(ghash pclmulqdq ghash_pclmulqdq_impl.c "-mssse3 -mpclmul ${CFLAGS_NO_LTO}")
if(WITH_MAC_GHASH_PCLMULQDQ AND NOT HAVE_PCLMUL)
message(FATAL_ERROR "WITH_MAC_GHASH_PCLMULQDQ enabled, but there is no compiler support for -mpclmul")