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CMakeParseImplicitLinkInfo: Exclude libclang_rt libraries 

These libraries are used for Clang runtime analysis support with
flags like `-fsanitize=memory` and are not actually implicitly
linked libraries.

Fixes #16194.
This commit is contained in:
Brad King 2016-07-11 16:28:24 -04:00
parent 507aa256e5
commit 353222262a
2 changed files with 7 additions and 1 deletions
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2
Modules/CMakeParseImplicitLinkInfo.cmake
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@ -124,7 +124,7 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj
# We remove items that are not language-specific.
set(implicit_libs "")
foreach(lib IN LISTS implicit_libs_tmp)
if("x${lib}" MATCHES "^x(crt.*\\.o|gcc.*|System.*)$")
if("x${lib}" MATCHES "^x(crt.*\\.o|gcc.*|System.*|.*libclang_rt.*)$")
set(log "${log} remove lib [${lib}]\n")
elseif(IS_ABSOLUTE "${lib}")
get_filename_component(abs "${lib}" ABSOLUTE)

6
Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in
View File

@ -112,6 +112,12 @@ set(linux64_test3_libs "gfortran;m;quadmath;m;c")
set(linux64_test3_dirs "/usr/lib/gcc/x86_64-redhat-linux/5.1.1;/usr/lib64;/lib64;/usr/lib")
list(APPEND platforms linux64_test3)
# clang -fsanitize=memory
set(linux64_clang_sanitize_memory_text [[ "/usr/bin/ld" --hash-style=both --build-id --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o a.out /usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu/crt1.o /usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu/crti.o /usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/crtbegin.o -L/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0 -L/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu -L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../.. -L/usr/lib/llvm-3.8/bin/../lib -L/lib -L/usr/lib -whole-archive /usr/lib/llvm-3.8/bin/../lib/clang/3.8.0/lib/linux/libclang_rt.msan-x86_64.a -no-whole-archive --dynamic-list=/usr/lib/llvm-3.8/bin/../lib/clang/3.8.0/lib/linux/libclang_rt.msan-x86_64.a.syms /tmp/dummy-27898d.o --no-as-needed -lpthread -lrt -lm -ldl -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/crtend.o /usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../x86_64-linux-gnu/crtn.o]])
set(linux64_clang_sanitize_memory_libs "pthread;rt;m;dl;c")
set(linux64_clang_sanitize_memory_dirs "/usr/lib/gcc/x86_64-linux-gnu/5.4.0;/usr/lib/x86_64-linux-gnu;/lib/x86_64-linux-gnu;/lib64;/usr/lib;/usr/lib/llvm-3.8/lib;/lib")
list(APPEND platforms linux64_clang_sanitize_memory)
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# Mac