diff options
Diffstat (limited to 'm4/aclocal-openssh.m4')
| -rw-r--r-- | m4/aclocal-openssh.m4 | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/m4/aclocal-openssh.m4 b/m4/aclocal-openssh.m4 deleted file mode 100644 index 2944bb99..00000000 --- a/m4/aclocal-openssh.m4 +++ /dev/null @@ -1,179 +0,0 @@ -dnl $Id: aclocal.m4,v 1.13 2014/01/22 10:30:12 djm Exp $ -dnl -dnl OpenSSH-specific autoconf macros -dnl - -dnl OSSH_CHECK_CFLAG_COMPILE(check_flag[, define_flag]) -dnl Check that $CC accepts a flag 'check_flag'. If it is supported append -dnl 'define_flag' to $CFLAGS. If 'define_flag' is not specified, then append -dnl 'check_flag'. -AC_DEFUN([OSSH_CHECK_CFLAG_COMPILE], [{ - AC_MSG_CHECKING([if $CC supports compile flag $1]) - saved_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $WERROR $1" - _define_flag="$2" - test "x$_define_flag" = "x" && _define_flag="$1" - AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <stdio.h> -int main(int argc, char **argv) { - /* Some math to catch -ftrapv problems in the toolchain */ - int i = 123 * argc, j = 456 + argc, k = 789 - argc; - float l = i * 2.1; - double m = l / 0.5; - long long int n = argc * 12345LL, o = 12345LL * (long long int)argc; - printf("%d %d %d %f %f %lld %lld\n", i, j, k, l, m, n, o); - exit(0); -} - ]])], - [ -if `grep -i "unrecognized option" conftest.err >/dev/null` -then - AC_MSG_RESULT([no]) - CFLAGS="$saved_CFLAGS" -else - AC_MSG_RESULT([yes]) - CFLAGS="$saved_CFLAGS $_define_flag" -fi], - [ AC_MSG_RESULT([no]) - CFLAGS="$saved_CFLAGS" ] - ) -}]) - -dnl OSSH_CHECK_CFLAG_LINK(check_flag[, define_flag]) -dnl Check that $CC accepts a flag 'check_flag'. If it is supported append -dnl 'define_flag' to $CFLAGS. If 'define_flag' is not specified, then append -dnl 'check_flag'. -AC_DEFUN([OSSH_CHECK_CFLAG_LINK], [{ - AC_MSG_CHECKING([if $CC supports compile flag $1 and linking succeeds]) - saved_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $WERROR $1" - _define_flag="$2" - test "x$_define_flag" = "x" && _define_flag="$1" - AC_LINK_IFELSE([AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <stdio.h> -int main(int argc, char **argv) { - /* Some math to catch -ftrapv problems in the toolchain */ - int i = 123 * argc, j = 456 + argc, k = 789 - argc; - float l = i * 2.1; - double m = l / 0.5; - long long int n = argc * 12345LL, o = 12345LL * (long long int)argc; - printf("%d %d %d %f %f %lld %lld\n", i, j, k, l, m, n, o); - exit(0); -} - ]])], - [ -if `grep -i "unrecognized option" conftest.err >/dev/null` -then - AC_MSG_RESULT([no]) - CFLAGS="$saved_CFLAGS" -else - AC_MSG_RESULT([yes]) - CFLAGS="$saved_CFLAGS $_define_flag" -fi], - [ AC_MSG_RESULT([no]) - CFLAGS="$saved_CFLAGS" ] - ) -}]) - -dnl OSSH_CHECK_LDFLAG_LINK(check_flag[, define_flag]) -dnl Check that $LD accepts a flag 'check_flag'. If it is supported append -dnl 'define_flag' to $LDFLAGS. If 'define_flag' is not specified, then append -dnl 'check_flag'. -AC_DEFUN([OSSH_CHECK_LDFLAG_LINK], [{ - AC_MSG_CHECKING([if $LD supports link flag $1]) - saved_LDFLAGS="$LDFLAGS" - LDFLAGS="$LDFLAGS $WERROR $1" - _define_flag="$2" - test "x$_define_flag" = "x" && _define_flag="$1" - AC_LINK_IFELSE([AC_LANG_SOURCE([[ -#include <stdlib.h> -#include <stdio.h> -int main(int argc, char **argv) { - /* Some math to catch -ftrapv problems in the toolchain */ - int i = 123 * argc, j = 456 + argc, k = 789 - argc; - float l = i * 2.1; - double m = l / 0.5; - long long int n = argc * 12345LL, o = 12345LL * (long long int)argc; - printf("%d %d %d %f %f %lld %lld\n", i, j, k, l, m, n, o); - exit(0); -} - ]])], - [ AC_MSG_RESULT([yes]) - LDFLAGS="$saved_LDFLAGS $_define_flag"], - [ AC_MSG_RESULT([no]) - LDFLAGS="$saved_LDFLAGS" ] - ) -}]) - -dnl OSSH_CHECK_HEADER_FOR_FIELD(field, header, symbol) -dnl Does AC_EGREP_HEADER on 'header' for the string 'field' -dnl If found, set 'symbol' to be defined. Cache the result. -dnl TODO: This is not foolproof, better to compile and read from there -AC_DEFUN([OSSH_CHECK_HEADER_FOR_FIELD], [ -# look for field '$1' in header '$2' - dnl This strips characters illegal to m4 from the header filename - ossh_safe=`echo "$2" | sed 'y%./+-%__p_%'` - dnl - ossh_varname="ossh_cv_$ossh_safe""_has_"$1 - AC_MSG_CHECKING(for $1 field in $2) - AC_CACHE_VAL($ossh_varname, [ - AC_EGREP_HEADER($1, $2, [ dnl - eval "$ossh_varname=yes" dnl - ], [ dnl - eval "$ossh_varname=no" dnl - ]) dnl - ]) - ossh_result=`eval 'echo $'"$ossh_varname"` - if test -n "`echo $ossh_varname`"; then - AC_MSG_RESULT($ossh_result) - if test "x$ossh_result" = "xyes"; then - AC_DEFINE($3, 1, [Define if you have $1 in $2]) - fi - else - AC_MSG_RESULT(no) - fi -]) - -dnl Check for socklen_t: historically on BSD it is an int, and in -dnl POSIX 1g it is a type of its own, but some platforms use different -dnl types for the argument to getsockopt, getpeername, etc. So we -dnl have to test to find something that will work. -AC_DEFUN([TYPE_SOCKLEN_T], -[ - AC_CHECK_TYPE([socklen_t], ,[ - AC_MSG_CHECKING([for socklen_t equivalent]) - AC_CACHE_VAL([curl_cv_socklen_t_equiv], - [ - # Systems have either "struct sockaddr *" or - # "void *" as the second argument to getpeername - curl_cv_socklen_t_equiv= - for arg2 in "struct sockaddr" void; do - for t in int size_t unsigned long "unsigned long"; do - AC_TRY_COMPILE([ - #include <sys/types.h> - #include <sys/socket.h> - - int getpeername (int, $arg2 *, $t *); - ],[ - $t len; - getpeername(0,0,&len); - ],[ - curl_cv_socklen_t_equiv="$t" - break - ]) - done - done - - if test "x$curl_cv_socklen_t_equiv" = x; then - AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) - fi - ]) - AC_MSG_RESULT($curl_cv_socklen_t_equiv) - AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv, - [type to use in place of socklen_t if not defined])], - [#include <sys/types.h> -#include <sys/socket.h>]) -]) - |