diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 7f430425ae..d74bd4490c 100644 --- a/configure.ac +++ b/configure.ac @@ -1187,13 +1187,15 @@ AC_SUBST(CXX_SYSINCLUDES) # copy of those headers in Makerules. if test -n "$CXX"; then find_cxx_header () { - echo "#include <$1>" | $CXX -M -MP -x c++ - | sed -n "/$1:/{s/:\$//;p}" + echo "#include <$1>" | $CXX -M -MP -x c++ - | sed -n "\,$1:,{s/:\$//;p}" } CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)" CXX_CMATH_HEADER="$(find_cxx_header cmath)" + CXX_BITS_STD_ABS_H="$(find_cxx_header bits/std_abs.h)" fi AC_SUBST(CXX_CSTDLIB_HEADER) AC_SUBST(CXX_CMATH_HEADER) +AC_SUBST(CXX_BITS_STD_ABS_H) # Test if LD_LIBRARY_PATH contains the notation for the current directory # since this would lead to problems installing/building glibc. |