Author: sbc Date: Thu Jun 22 19:02:55 2017 New Revision: 306074 URL: http://llvm.org/viewvc/llvm-project?rev=306074&view=rev Log: [WebAssembly] Add default -allow-undefined-file to linker args
Also, don't use the outdated lib32/lib64 naming of files within the sysroot. The more modern/flexible approach IIUC is to use seperate sysroots or /lib/<target-tripple> and /include/<target-tripple>. Differential Revision: https://reviews.llvm.org/D33565 Modified: cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp cfe/trunk/test/Driver/wasm-toolchain.c Modified: cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp?rev=306074&r1=306073&r2=306074&view=diff ============================================================================== --- cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp (original) +++ cfe/trunk/lib/Driver/ToolChains/WebAssembly.cpp Thu Jun 22 19:02:55 2017 @@ -83,6 +83,8 @@ void wasm::Linker::ConstructJob(Compilat if (Args.hasArg(options::OPT_pthread)) CmdArgs.push_back("-lpthread"); + CmdArgs.push_back("-allow-undefined-file"); + CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("wasm.syms"))); CmdArgs.push_back("-lc"); CmdArgs.push_back("-lcompiler_rt"); } @@ -104,8 +106,7 @@ WebAssembly::WebAssembly(const Driver &D getProgramPaths().push_back(getDriver().getInstalledDir()); - getFilePaths().push_back( - getDriver().SysRoot + "/lib" + (Triple.isArch32Bit() ? "32" : "64")); + getFilePaths().push_back(getDriver().SysRoot + "/lib"); } bool WebAssembly::IsMathErrnoDefault() const { return false; } Modified: cfe/trunk/test/Driver/wasm-toolchain.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/wasm-toolchain.c?rev=306074&r1=306073&r2=306074&view=diff ============================================================================== --- cfe/trunk/test/Driver/wasm-toolchain.c (original) +++ cfe/trunk/test/Driver/wasm-toolchain.c Thu Jun 22 19:02:55 2017 @@ -27,18 +27,18 @@ // RUN: %clang -### -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo %s 2>&1 | FileCheck -check-prefix=LINK %s // LINK: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]" -// LINK: lld{{.*}}" "-flavor" "wasm" "-L/foo/lib32" "crt1.o" "crti.o" "[[temp]]" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out" +// LINK: lld{{.*}}" "-flavor" "wasm" "-L/foo/lib" "crt1.o" "crti.o" "[[temp]]" "-allow-undefined-file" "wasm.syms" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out" // A basic C link command-line with optimization. WebAssembly is somewhat // special in enabling --gc-sections by default. // RUN: %clang -### -O2 -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo %s 2>&1 | FileCheck -check-prefix=LINK_OPT %s // LINK_OPT: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]" -// LINK_OPT: lld{{.*}}" "-flavor" "wasm" "--gc-sections" "-L/foo/lib32" "crt1.o" "crti.o" "[[temp]]" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out" +// LINK_OPT: lld{{.*}}" "-flavor" "wasm" "--gc-sections" "-L/foo/lib" "crt1.o" "crti.o" "[[temp]]" "-allow-undefined-file" "wasm.syms" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out" // Ditto, but ensure that a user --no-gc-sections comes after the // default --gc-sections. // RUN: %clang -### -O2 -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo -Wl,--no-gc-sections %s 2>&1 | FileCheck -check-prefix=NO_GC_SECTIONS %s // NO_GC_SECTIONS: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]" -// NO_GC_SECTIONS: lld{{.*}}" "-flavor" "wasm" "--gc-sections" "-L/foo/lib32" "crt1.o" "crti.o" "--no-gc-sections" "[[temp]]" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out" +// NO_GC_SECTIONS: lld{{.*}}" "-flavor" "wasm" "--gc-sections" "-L/foo/lib" "crt1.o" "crti.o" "--no-gc-sections" "[[temp]]" "-allow-undefined-file" "wasm.syms" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
