|
|
- --- a/m4/pdns_check_os.m4
- +++ b/m4/pdns_check_os.m4
- @@ -35,16 +35,21 @@
- AM_CONDITIONAL([HAVE_LINUX], [test "x$have_linux" = "xyes"])
- AM_CONDITIONAL([HAVE_SOLARIS], [test "x$have_solaris" = "xyes"])
-
- - case "$host" in
- - mips* | powerpc-* )
- - AC_MSG_CHECKING([whether the linker accepts -latomic])
- - LDFLAGS="-latomic $LDFLAGS"
- - AC_LINK_IFELSE([m4_default([],[AC_LANG_PROGRAM()])],
- - [AC_MSG_RESULT([yes])],
- - [AC_MSG_ERROR([Unable to link against libatomic, cannot continue])]
- - )
- - ;;
- - esac
- + AC_MSG_CHECKING([whether -latomic is needed for __atomic builtins])
- + AC_LINK_IFELSE(
- + [AC_LANG_PROGRAM([[#include <stdint.h>]],
- + [[uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);]]
- + )],
- + [AC_MSG_RESULT([no])],
- + [LIBS="$LIBS -latomic"
- + AC_LINK_IFELSE(
- + [AC_LANG_PROGRAM([[#include <stdint.h>]],
- + [[uint64_t val = 0; __atomic_add_fetch(&val, 1, __ATOMIC_RELAXED);]]
- + )],
- + [AC_MSG_RESULT([yes])],
- + [AC_MSG_FAILURE([libatomic needed, but linking with -latomic failed, cannot continue])]
- + )]
- + )
-
- AC_SUBST(THREADFLAGS)
- AC_SUBST([DYNLINKFLAGS], [-export-dynamic])
|
