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   1 From: Khem Raj <raj.khem@gmail.com>
   2 Subject: [PATCH 08/12] libtool: Check for static libs for internal compiler libraries
   3
   4 Libtool checks only for libraries linked as -l* when trying to
   5 find internal compiler libraries. Clang, however uses the absolute
   6 path to link its internal libraries e.g. compiler_rt. This patch
   7 handles clang's statically linked libraries when finding internal
   8 compiler libraries.
   9
  10 Signed-off-by: Khem Raj <raj.khem@gmail.com>
  11 Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
  12
  13 https://crbug.com/749263
  14 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=27866
  15
  16 Upstream-Status: Submitted [https://lists.gnu.org/archive/html/libtool-patches/2021-10/msg00016.html]
  17
  18 diff --git a/m4/libtool.m4 b/m4/libtool.m4
  19 index bd90775..3794130 100644
  20 --- a/m4/libtool.m4
  21 +++ b/m4/libtool.m4
  22 @@ -7556,7 +7556,7 @@ if AC_TRY_EVAL(ac_compile); then
  23    for p in `eval "$output_verbose_link_cmd"`; do
  24      case $prev$p in
  25
  26 -    -L* | -R* | -l*)
  27 +    -L* | -R* | -l* | */libclang_rt.*.a)
  28         # Some compilers place space between "-{L,R}" and the path.
  29         # Remove the space.
  30         if test x-L = "$p" ||
  31 --
  32 2.25.1
  33