On *BSD the header file sys/param.h defines BSD. Drop unnecessary

BSD defines in the build-system. Furthermore add detection for
FreeBSD using the additional defines by FreeBSD.

Use !Linux where previously a list of BSDs was.

1 files changed, 0 insertions, 6 deletions

diff --git a/configure.ac b/configure.ac
index 25a558902..c5c6586e5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,8 +132,6 @@ AS_CASE(["$host_os"],
      AC_PATH_XTRA
   ],
   [*freebsd*],[
-     AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
-     AC_DEFINE_UNQUOTED(FREEBSD,1,[This is a FreeBSD system])
      CFLAGS="-D_THREAD_SAFE $CFLAGS"
      build_target="freebsd"
      LIBPREFIX=
@@ -141,8 +139,6 @@ AS_CASE(["$host_os"],
      UNIXONLY="#"
   ],
   [*openbsd*],[
-     AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
-     AC_DEFINE_UNQUOTED(OPENBSD,1,[This is an OpenBSD system])
      LIBS=`echo $LIBS | sed -e "s/-ldl//"`
      build_target="openbsd"
      LIBPREFIX=
@@ -150,8 +146,6 @@ AS_CASE(["$host_os"],
      UNIXONLY="#"
   ],
   [*netbsd*],[
-     AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
-     AC_DEFINE_UNQUOTED(NETBSD,1,[This is a NetBSD system])
      build_target="netbsd"
      LIBPREFIX=
      DLLDIR=lib