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rust/mk/cfg/asmjs-unknown-emscripten.mk

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Add the asmjs-unknown-emscripten triple. Add cfgs to libs. Backtraces, and the compilation of libbacktrace for asmjs, are disabled. This port doesn't use jemalloc so, like pnacl, it disables jemalloc *for all targets* in the configure file. It disables stack protection.
2015-11-26 20:05:10 +01:00
# asmjs-unknown-emscripten configuration
CC_asmjs-unknown-emscripten=emcc
CXX_asmjs-unknown-emscripten=em++
CPP_asmjs-unknown-emscripten=$(CPP)
AR_asmjs-unknown-emscripten=emar
CFG_LIB_NAME_asmjs-unknown-emscripten=lib$(1).so
CFG_STATIC_LIB_NAME_asmjs-unknown-emscripten=lib$(1).a
CFG_LIB_GLOB_asmjs-unknown-emscripten=lib$(1)-*.so
CFG_LIB_DSYM_GLOB_asmjs-unknown-emscripten=lib$(1)-*.dylib.dSYM
CFG_JEMALLOC_CFLAGS_asmjs-unknown-emscripten := -m32 $(CFLAGS)
CFG_GCCISH_CFLAGS_asmjs-unknown-emscripten := -Wall -Werror -g -fPIC -m32 $(CFLAGS)
CFG_GCCISH_CXXFLAGS_asmjs-unknown-emscripten := -fno-rtti $(CXXFLAGS)
CFG_GCCISH_LINK_FLAGS_asmjs-unknown-emscripten := -shared -fPIC -ldl -pthread -lrt -g -m32
CFG_GCCISH_DEF_FLAG_asmjs-unknown-emscripten := -Wl,--export-dynamic,--dynamic-list=
CFG_LLC_FLAGS_asmjs-unknown-emscripten :=
CFG_INSTALL_NAME_asmjs-unknown-emscripten =
CFG_EXE_SUFFIX_asmjs-unknown-emscripten =
CFG_WINDOWSY_asmjs-unknown-emscripten :=
CFG_UNIXY_asmjs-unknown-emscripten := 1
CFG_LDPATH_asmjs-unknown-emscripten :=
CFG_RUN_asmjs-unknown-emscripten=$(2)
CFG_RUN_TARG_asmjs-unknown-emscripten=$(call CFG_RUN_asmjs-unknown-emscripten,,$(2))
CFG_GNU_TRIPLE_asmjs-unknown-emscripten := asmjs-unknown-emscripten
mk: Move disable-jemalloc logic into makefiles The `--disable-jemalloc` configure option has a failure mode where it will create a distribution that is not compatible with other compilers. For example the nightly for Linux will assume that it will link to jemalloc by default as an allocator for executable crates. If, however, a standard library is used which was built via `./configure --disable-jemalloc` then this will fail because the jemalloc crate wasn't built. While this seems somewhat reasonable as a niche situation, the same mechanism is used for disabling jemalloc for platforms that just don't support it. For example if the rumprun target is compiled then the sibiling Linux target *also* doesn't have jemalloc. This is currently a problem for our cross-build nightlies which build many targets. If rumprun is also built, it will disable jemalloc for all targets, which isn't desired. This commit moves the platform-specific disabling of jemalloc as hardcoded logic into the makefiles that is scoped per-platform. This way when configuring multiple targets **without the `--disable-jemalloc` option specified** all targets will get jemalloc as they should.
2016-02-08 19:57:41 +01:00
CFG_DISABLE_JEMALLOC_asmjs-unknown-emscripten := 1
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