- (djm) [aclocal.m4 configure.ac] since gcc-4.x ignores all -Wno-options
options, we should corresponding -W-option when trying to determine whether it is accepted. Also includes a warning fix on the program fragment uses (bad main() return type). bz#1900 and bz#1901 reported by g.esp AT free.fr; ok dtucker@
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@ -1,8 +1,26 @@
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dnl $Id: aclocal.m4,v 1.7 2011/05/05 03:48:37 djm Exp $
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dnl $Id: aclocal.m4,v 1.8 2011/05/20 01:45:25 djm Exp $
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dnl
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dnl OpenSSH-specific autoconf macros
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dnl
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dnl OSSH_CHECK_CFLAG_COMPILE(check_flag[, define_flag])
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dnl Check that $CC accepts a flag 'check_flag'. If it is supported append
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dnl 'define_flag' to $CFLAGS. If 'define_flag' is not specified, then append
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dnl 'check_flag'.
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AC_DEFUN([OSSH_CHECK_CFLAG_COMPILE], [{
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AC_MSG_CHECKING([if $CC supports $1])
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $1"
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_define_flag="$2"
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test "x$_define_flag" = "x" && _define_flag="$1"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])],
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[ AC_MSG_RESULT([yes])
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CFLAGS="$saved_CFLAGS $_define_flag"],
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[ AC_MSG_RESULT([no])
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CFLAGS="$saved_CFLAGS" ]
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)
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}])
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dnl OSSH_CHECK_HEADER_FOR_FIELD(field, header, symbol)
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dnl Does AC_EGREP_HEADER on 'header' for the string 'field'
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32
configure.ac
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configure.ac
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# $Id: configure.ac,v 1.473 2011/05/05 04:44:25 tim Exp $
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# $Id: configure.ac,v 1.474 2011/05/20 01:45:25 djm Exp $
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#
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# Copyright (c) 1999-2004 Damien Miller
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#
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@ -15,22 +15,10 @@
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
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AC_REVISION($Revision: 1.473 $)
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AC_REVISION($Revision: 1.474 $)
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AC_CONFIG_SRCDIR([ssh.c])
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AC_LANG([C])
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# local macros
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AC_DEFUN([OPENSSH_CHECK_CFLAG_COMPILE], [{
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AC_MSG_CHECKING([if $CC supports $1])
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $1"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void main(void) { return 0; }]])],
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[ AC_MSG_RESULT([yes]) ],
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[ AC_MSG_RESULT([no])
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CFLAGS="$saved_CFLAGS" ]
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)
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}])
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AC_CONFIG_HEADER([config.h])
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AC_PROG_CC
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AC_CANONICAL_HOST
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@ -128,14 +116,14 @@ AC_ARG_WITH([stackprotect],
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if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
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OPENSSH_CHECK_CFLAG_COMPILE([-Wall])
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OPENSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith])
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OPENSSH_CHECK_CFLAG_COMPILE([-Wuninitialized])
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OPENSSH_CHECK_CFLAG_COMPILE([-Wsign-compare])
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OPENSSH_CHECK_CFLAG_COMPILE([-Wformat-security])
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OPENSSH_CHECK_CFLAG_COMPILE([-Wno-pointer-sign])
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OPENSSH_CHECK_CFLAG_COMPILE([-Wno-unused-result])
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OPENSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing])
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OSSH_CHECK_CFLAG_COMPILE([-Wall])
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OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith])
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OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized])
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OSSH_CHECK_CFLAG_COMPILE([-Wsign-compare])
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OSSH_CHECK_CFLAG_COMPILE([-Wformat-security])
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OSSH_CHECK_CFLAG_COMPILE([-Wpointer-sign], [-Wno-pointer-sign])
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OSSH_CHECK_CFLAG_COMPILE([-Wunused-result], [-Wno-unused-result])
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OSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing])
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AC_MSG_CHECKING([gcc version])
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GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
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case $GCC_VER in
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