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Enable LTO #1627

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Enable LTO #1627

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57813d8
Enable LTO for compiling Spicy/HILTI sources.
bbannier Dec 22, 2023
2341f0b
Enable LTO for runtime libraries.
bbannier Dec 22, 2023
30c5531
fixup! Enable LTO for runtime libraries.
bbannier Dec 22, 2023
b41a9b9
fixup! fixup! Enable LTO for runtime libraries.
bbannier Dec 22, 2023
d4344c9
fixup! Enable LTO for compiling Spicy/HILTI sources.
bbannier Dec 22, 2023
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Enable LTO for compiling Spicy/HILTI sources.
@bbannier
bbannier committed Dec 22, 2023
commit 57813d895c76311650535a84be346f41b5dd1ff5
15 changes: 8 additions & 7 deletions hilti/toolchain/src/config.cc.in
View file
Original file line number Diff line number Diff line change
@@ -144,7 +144,7 @@ void Configuration::init(bool use_build_directory) {
prefix("${HILTI_CONFIG_RUNTIME_CXX_INCLUDE_DIRS}", "-I", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_CXX_FLAGS_DEBUG}", "", installation_tag)});

runtime_cxx_flags_release = flatten({"-fPIC", "-std=c++17", "-g", "-O3", "-DNDEBUG", "-fvisibility=hidden",
runtime_cxx_flags_release = flatten({"-fPIC", "-std=c++17", "-g", "-O3", "-DNDEBUG", "-fvisibility=hidden", "-flto",
prefix("${HILTI_CONFIG_RUNTIME_CXX_INCLUDE_DIRS}", "-I", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_CXX_FLAGS_RELEASE}", "", installation_tag)});

@@ -162,12 +162,13 @@ void Configuration::init(bool use_build_directory) {
prefix("${HILTI_CONFIG_RUNTIME_LD_FLAGS_DEBUG}", "", installation_tag),
prefix(CMAKE_THREAD_LIBS_INIT, "-l", installation_tag), prefix(CMAKE_DL_LIBS, "-l", installation_tag)});

runtime_ld_flags_release = flatten(
{prefix("${HILTI_CONFIG_RUNTIME_CXX_LIBRARY_DIRS}", "-L", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_CXX_LIBRARY_DIRS}", "-Wl,-rpath,", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_LIBRARIES_RELEASE}", "-l", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_LD_FLAGS_RELEASE}", "", installation_tag),
prefix(CMAKE_THREAD_LIBS_INIT, "-l", installation_tag), prefix(CMAKE_DL_LIBS, "-l", installation_tag)});
runtime_ld_flags_release =
flatten({prefix("${HILTI_CONFIG_RUNTIME_CXX_LIBRARY_DIRS}", "-L", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_CXX_LIBRARY_DIRS}", "-Wl,-rpath,", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_LIBRARIES_RELEASE}", "-l", installation_tag),
prefix("${HILTI_CONFIG_RUNTIME_LD_FLAGS_RELEASE}", "", installation_tag),
prefix(CMAKE_THREAD_LIBS_INIT, "-l", installation_tag), prefix(CMAKE_DL_LIBS, "-l", installation_tag),
"-flto"});

hlto_cxx_flags_debug = runtime_cxx_flags_debug;
hlto_cxx_flags_release = runtime_cxx_flags_release;
5 changes: 2 additions & 3 deletions scripts/precompile-headers.sh
View file
Original file line number Diff line number Diff line change
@@ -64,11 +64,10 @@ cp "${LIBHILTI}" "${CACHE}/precompiled_libhilti_debug.h"
$("${HILTI_CONFIG}" --cxx --cxxflags --debug) -x c++-header "${LIBHILTI}" -o "${CACHE}/precompiled_libhilti_debug.h.gch"

cp "${LIBHILTI}" "${CACHE}/precompiled_libhilti.h"

$("${HILTI_CONFIG}" --cxx --cxxflags) -x c++-header "${LIBHILTI}" -o "${CACHE}/precompiled_libhilti.h.gch"
$("${HILTI_CONFIG}" --cxx --cxxflags | sed 's/-flto//g') -x c++-header "${LIBHILTI}" -o "${CACHE}/precompiled_libhilti.h.gch"

cp "${LIBSPICY}" "${CACHE}/precompiled_libspicy_debug.h"
$("${SPICY_CONFIG}" --cxx --cxxflags --debug) -x c++-header "${LIBSPICY}" -o "${CACHE}/precompiled_libspicy_debug.h.gch"

cp "${LIBSPICY}" "${CACHE}/precompiled_libspicy.h"
$("${SPICY_CONFIG}" --cxx --cxxflags) -x c++-header "${LIBSPICY}" -o "${CACHE}/precompiled_libspicy.h.gch"
$("${SPICY_CONFIG}" --cxx --cxxflags | sed 's/-flto//g') -x c++-header "${LIBSPICY}" -o "${CACHE}/precompiled_libspicy.h.gch"