packages/net/dnsdist/patches/200-libatomic-detect.patch
Rosen Penev 3e6e4b622e dnsdist: Fix several issues
Add patch that detects when -latomic is needed.

Fix compilation without deprecated OpenSSL APIs.

Hard-code lua to avoid luajit dependency.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2019-05-29 13:35:31 -07:00

34 lines
1.2 KiB
Diff

--- 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])