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llvm-project/clang/test/Driver/nodefaultlib.c

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[Driver][Gnu] Support -nolibc flag This can be used to disable libc linking. This flag is supported by GCC since version 9 as well as some Clang target toolchains. Differential Revision: https://reviews.llvm.org/D58326 llvm-svn: 354210
2019-02-17 10:42:48 +08:00
// RUN: %clang -target i686-pc-linux-gnu -### -rtlib=libgcc -nodefaultlibs %s 2>&1 | FileCheck -check-prefix=TEST1 %s
Fix rewrite of reserved library name in case of -nodefaultlibs The Driver only checked if nostdlib was set when deciding to add reserved_lib_stdcxx, but as nostdlib is always exactly nodefaultlibs and nostartfiles we should be checking one (clearly nodefaultlibs in the case) as well. This appears to be the only such instance of this in the codebase. Differential Revision: http://reviews.llvm.org/D14935 llvm-svn: 253990
2015-11-25 00:07:21 +08:00
// TEST1-NOT: start-group
// TEST1-NOT: "-lgcc"
// TEST1-NOT: "-lc"
// TEST1: crtbegin
// TEST1: crtend
// RUN: %clang -target i686-pc-linux-gnu -stdlib=libc++ -nodefaultlibs -lstdc++ -### %s 2>&1 | FileCheck -check-prefix=TEST2 %s
// TEST2-NOT: "-lc++"
// TEST2: "-lstdc++"