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Replace some libstdc++ functions by simpler implementations

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This helps to avoid linking large libstdc++ parts,
thus reducing the binary size.
This commit is contained in:
Svyatoslav Scherbina
2018-01-15 13:48:58 +03:00
committed by SvyatoslavScherbina
parent 1aa2e26344
commit 45cd41ce81
2 changed files with 48 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
backend.native/konan.properties
+12 -5
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@@ -141,7 +141,8 @@ llvmLtoOptFlags.linux = -O3 -function-sections
llvmLtoNooptFlags.linux = -O1
llvmLtoDynamicFlags.linux = -relocation-model=pic
llvmLlcFlags.linux = -march=x86-64
linkerKonanFlags.linux = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread
linkerKonanFlags.linux = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread \
--defsym __cxa_demangle=Konan_cxa_demangle
linkerOptimizationFlags.linux = --gc-sections
linkerNoDebugFlags.linux = -S
linkerDynamicFlags.linux = -shared
@@ -172,7 +173,8 @@ linkerOptimizationFlags.raspberrypi = --gc-sections
targetSysRoot.raspberrypi = target-sysroot-1-raspberrypi
# We could reuse host toolchain here.
libffiDir.raspberrypi = libffi-3.2.1-2-raspberrypi
linkerKonanFlags.raspberrypi = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread
linkerKonanFlags.raspberrypi = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread \
--defsym __cxa_demangle=Konan_cxa_demangle
# targetSysroot-relative.
libGcc.raspberrypi = lib/gcc/arm-linux-gnueabihf/4.8.3
llvmLtoFlags.raspberrypi = -float-abi=hard -mcpu=arm1136jf-s
@@ -201,7 +203,8 @@ linkerDynamicFlags.linux_mips32 = -shared
targetSysRoot.linux_mips32 = target-sysroot-2-mips
# We could reuse host toolchain here.
libffiDir.linux_mips32 = libffi-3.2.1-2-linux-mips
linkerKonanFlags.linux_mips32 = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread
linkerKonanFlags.linux_mips32 = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread \
--defsym __cxa_demangle=Konan_cxa_demangle
# targetSysroot-relative.
libGcc.linux_mips32 = lib/gcc/mips-unknown-linux-gnu/4.9.4
llvmLtoFlags.linux_mips32 =
@@ -227,7 +230,8 @@ linkerDynamicFlags.linux_mipsel32 = -shared
targetSysRoot.linux_mipsel32 = target-sysroot-2-mipsel
# We could reuse host toolchain here.
libffiDir.linux_mipsel32 = libffi-3.2.1-2-linux-mipsel
linkerKonanFlags.linux_mipsel32 = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread
linkerKonanFlags.linux_mipsel32 = -Bstatic -lstdc++ -Bdynamic -ldl -lm -lpthread \
--defsym __cxa_demangle=Konan_cxa_demangle
# targetSysroot-relative.
libGcc.linux_mipsel32 = lib/gcc/mipsel-unknown-linux-gnu/4.9.4
llvmLtoFlags.linux_mipsel32 =
@@ -298,7 +302,10 @@ llvmLtoOptFlags.mingw = -O3 -function-sections
llvmLtoNooptFlags.mingw = -O1
linkerNoDebugFlags.mingw = -Wl,-S
linkerDynamicFlags.mingw = -shared
linkerKonanFlags.mingw =-static-libgcc -static-libstdc++ -Xclang -flto-visibility-public-std -Wl,-Bstatic,--whole-archive -lwinpthread -Wl,--no-whole-archive,-Bdynamic
linkerKonanFlags.mingw =-static-libgcc -static-libstdc++ \
-Xclang -flto-visibility-public-std \
-Wl,-Bstatic,--whole-archive -lwinpthread -Wl,--no-whole-archive,-Bdynamic \
-Wl,--defsym,__cxa_demangle=Konan_cxa_demangle
linkerOptimizationFlags.mingw = -Wl,--gc-sections
entrySelector.mingw = -Wl,--defsym,main=Konan_main
dependencies.mingw = \