diff options
| -rwxr-xr-x | configure | 26 | ||||
| -rw-r--r-- | mkspecs/common/gcc-base-unix.conf | 1 | ||||
| -rw-r--r-- | mkspecs/features/default_post.prf | 2 | ||||
| -rw-r--r-- | mkspecs/win32-g++/qmake.conf | 1 | ||||
| -rw-r--r-- | tools/configure/configureapp.cpp | 12 |
5 files changed, 42 insertions, 0 deletions
@@ -698,6 +698,7 @@ CFG_INOTIFY=auto CFG_EVENTFD=auto CFG_RPATH=yes CFG_FRAMEWORK=auto +CFG_USE_GOLD_LINKER=auto DEFINES= INCLUDES= D_FLAGS= @@ -1592,6 +1593,13 @@ while [ "$#" -gt 0 ]; do UNKNOWN_OPT=yes fi ;; + use-gold-linker) + if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then + CFG_USE_GOLD_LINKER="$VAL" + else + UNKNOWN_OPT=yes + fi + ;; zlib) [ "$VAL" = "qt" ] && VAL=yes if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ] || [ "$VAL" = "system" ]; then @@ -2465,6 +2473,9 @@ Additional options: linker optimizations (Qt/X11 and Qt for Embedded Linux only; experimental; needs GNU ld >= 2.18). + -no-use-gold-linker ..... Do not link using the GNU gold linker. + + -use-gold-linker ........ Link using the GNU gold linker if available. + -force-asserts ........ Force Q_ASSERT to be enabled even in release builds. -device <name> ............... Cross-compile for device <name> (experimental) @@ -3230,6 +3241,19 @@ if [ "$CFG_REDUCE_EXPORTS" != "no" ]; then fi fi +# auto-detect -fuse-ld=gold support +if [ "$CFG_USE_GOLD_LINKER" != "no" ]; then + if linkerSupportsFlag $TEST_COMPILER -fuse-ld=gold; then + CFG_USE_GOLD_LINKER=yes + else + if [ "$CFG_USE_GOLD_LINKER" = "yes" ]; then + echo "-use-gold-linker was requested but this compiler does not support it" + exit 1 + fi + CFG_USE_GOLD_LINKER=no + fi +fi + # auto-detect -fstack-protector-strong support (for QNX only currently) if [ "$XPLATFORM_QNX" = "yes" ]; then if compilerSupportsFlag $TEST_COMPILER -fstack-protector-strong; then @@ -5598,6 +5622,7 @@ fi [ "$CFG_REDUCE_RELOCATIONS" = "yes" ] && QT_CONFIG="$QT_CONFIG reduce_relocations" [ "$CFG_STRIP" = "no" ] && QMAKE_CONFIG="$QMAKE_CONFIG nostrip" [ "$CFG_PRECOMPILE" = "yes" ] && QMAKE_CONFIG="$QMAKE_CONFIG precompile_header" +[ "$CFG_USE_GOLD_LINKER" = "yes" ] && QMAKE_CONFIG="$QMAKE_CONFIG use_gold_linker" if [ "$CFG_SEPARATE_DEBUG_INFO" = "yes" ]; then QT_CONFIG="$QT_CONFIG separate_debug_info" fi @@ -6472,6 +6497,7 @@ else fi unset build_mode release echo " Using C++11 ............ $CFG_CXX11" +echo " Using gold linker....... $CFG_USE_GOLD_LINKER" echo " Using PCH .............. $CFG_PRECOMPILE" echo " Target compiler supports:" if [ "$CFG_ARCH" = "i386" -o "$CFG_ARCH" = "x86_64" ]; then diff --git a/mkspecs/common/gcc-base-unix.conf b/mkspecs/common/gcc-base-unix.conf index 84ef88aa4f..29e0521927 100644 --- a/mkspecs/common/gcc-base-unix.conf +++ b/mkspecs/common/gcc-base-unix.conf @@ -16,6 +16,7 @@ QMAKE_LFLAGS_SONAME += -Wl,-soname, QMAKE_LFLAGS_THREAD += QMAKE_LFLAGS_RPATH = -Wl,-rpath, QMAKE_LFLAGS_RPATHLINK = -Wl,-rpath-link, +QMAKE_LFLAGS_USE_GOLD = -fuse-ld=gold # -Bsymbolic-functions (ld) support QMAKE_LFLAGS_BSYMBOLIC_FUNC = -Wl,-Bsymbolic-functions diff --git a/mkspecs/features/default_post.prf b/mkspecs/features/default_post.prf index 6fb140b252..085527f28d 100644 --- a/mkspecs/features/default_post.prf +++ b/mkspecs/features/default_post.prf @@ -61,6 +61,8 @@ debug { QMAKE_LIBFLAGS += $$QMAKE_LIBFLAGS_RELEASE } +use_gold_linker: QMAKE_LFLAGS += $$QMAKE_LFLAGS_USE_GOLD + dll:win32: QMAKE_LFLAGS += $$QMAKE_LFLAGS_DLL static:mac: QMAKE_LFLAGS += $$QMAKE_LFLAGS_STATIC_LIB staticlib:unix { diff --git a/mkspecs/win32-g++/qmake.conf b/mkspecs/win32-g++/qmake.conf index d26ffb4e21..01c8ab9bc3 100644 --- a/mkspecs/win32-g++/qmake.conf +++ b/mkspecs/win32-g++/qmake.conf @@ -78,6 +78,7 @@ QMAKE_LFLAGS_WINDOWS = -Wl,-subsystem,windows QMAKE_LFLAGS_DLL = -shared QMAKE_LFLAGS_CXX11 = QMAKE_LFLAGS_GCSECTIONS = -Wl,--gc-sections +QMAKE_LFLAGS_USE_GOLD = -fuse-ld=gold QMAKE_LINK_OBJECT_MAX = 10 QMAKE_LINK_OBJECT_SCRIPT = object_script QMAKE_PREFIX_STATICLIB = lib diff --git a/tools/configure/configureapp.cpp b/tools/configure/configureapp.cpp index f1010aea34..6c49b2dc79 100644 --- a/tools/configure/configureapp.cpp +++ b/tools/configure/configureapp.cpp @@ -250,6 +250,8 @@ Configure::Configure(int& argc, char** argv) dictionary[ "C++11" ] = "auto"; + dictionary[ "USE_GOLD_LINKER" ] = "no"; + dictionary[ "SHARED" ] = "yes"; dictionary[ "ZLIB" ] = "auto"; @@ -461,6 +463,10 @@ void Configure::parseCmdLine() dictionary[ "C++11" ] = "yes"; else if (configCmdLine.at(i) == "-no-c++11") dictionary[ "C++11" ] = "no"; + else if (configCmdLine.at(i) == "-use-gold-linker") + dictionary[ "USE_GOLD_LINKER" ] = "yes"; + else if (configCmdLine.at(i) == "-no-use-gold-linker") + dictionary[ "USE_GOLD_LINKER" ] = "no"; else if (configCmdLine.at(i) == "-shared") dictionary[ "SHARED" ] = "yes"; else if (configCmdLine.at(i) == "-static") @@ -1762,6 +1768,9 @@ bool Configure::displayHelp() desc("C++11", "yes", "-c++11", "Compile Qt with C++11 support enabled."); desc("C++11", "no", "-no-c++11", "Do not compile Qt with C++11 support enabled.\n"); + desc("USE_GOLD_LINKER", "yes", "-use-gold-linker", "Link using the GNU gold linker (gcc only)."); + desc("USE_GOLD_LINKER", "no", "-no-use-gold-linker", "Do not link using the GNU gold linker.\n"); + desc("SHARED", "yes", "-shared", "Create and use shared Qt libraries."); desc("SHARED", "no", "-static", "Create and use static Qt libraries.\n"); @@ -2609,6 +2618,9 @@ void Configure::generateOutputVars() if (dictionary[ "C++11" ] == "yes") qtConfig += "c++11"; + if (dictionary[ "USE_GOLD_LINKER" ] == "yes") + qmakeConfig += "use_gold_linker"; + if (dictionary[ "SHARED" ] == "no") qtConfig += "static"; else |