mirror of
https://sourceware.org/git/glibc.git
synced 2025-07-30 22:43:12 +03:00
Rework compiler version check in configure.
This commit is contained in:
Roland McGrath
@ -1,5 +1,10 @@
|
|||||||
2014-10-24 Roland McGrath <roland@hack.frob.com>
|
2014-10-24 Roland McGrath <roland@hack.frob.com>
|
||||||
|
|
||||||
|
* configure.ac: Validate compiler version with a empirical test of
|
||||||
|
__GNUC__ and __GNUC_MINOR__ predefined values, rather than by grepping
|
||||||
|
$CC -v output.
|
||||||
|
* configure: Regenerated.
|
||||||
|
|
||||||
* inet/htons.c (htons): Prototypify.
|
* inet/htons.c (htons): Prototypify.
|
||||||
* inet/htonl.c (htonl): Likewise.
|
* inet/htonl.c (htonl): Likewise.
|
||||||
|
|
||||||
|
|||||||
96
configure
vendored
96
configure
vendored
@ -4599,69 +4599,6 @@ fi
|
|||||||
|
|
||||||
# These programs are version sensitive.
|
# These programs are version sensitive.
|
||||||
|
|
||||||
for ac_prog in ${ac_tool_prefix}gcc ${ac_tool_prefix}cc
|
|
||||||
do
|
|
||||||
# Extract the first word of "$ac_prog", so it can be a program name with args.
|
|
||||||
set dummy $ac_prog; ac_word=$2
|
|
||||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
|
|
||||||
$as_echo_n "checking for $ac_word... " >&6; }
|
|
||||||
if ${ac_cv_prog_CC+:} false; then :
|
|
||||||
$as_echo_n "(cached) " >&6
|
|
||||||
else
|
|
||||||
if test -n "$CC"; then
|
|
||||||
ac_cv_prog_CC="$CC" # Let the user override the test.
|
|
||||||
else
|
|
||||||
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
|
|
||||||
for as_dir in $PATH
|
|
||||||
do
|
|
||||||
IFS=$as_save_IFS
|
|
||||||
test -z "$as_dir" && as_dir=.
|
|
||||||
for ac_exec_ext in '' $ac_executable_extensions; do
|
|
||||||
if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
|
|
||||||
ac_cv_prog_CC="$ac_prog"
|
|
||||||
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
|
|
||||||
break 2
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
done
|
|
||||||
IFS=$as_save_IFS
|
|
||||||
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
CC=$ac_cv_prog_CC
|
|
||||||
if test -n "$CC"; then
|
|
||||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
|
|
||||||
$as_echo "$CC" >&6; }
|
|
||||||
else
|
|
||||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
|
|
||||||
$as_echo "no" >&6; }
|
|
||||||
fi
|
|
||||||
|
|
||||||
|
|
||||||
test -n "$CC" && break
|
|
||||||
done
|
|
||||||
|
|
||||||
if test -z "$CC"; then
|
|
||||||
ac_verc_fail=yes
|
|
||||||
else
|
|
||||||
# Found it, now check the version.
|
|
||||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $CC" >&5
|
|
||||||
$as_echo_n "checking version of $CC... " >&6; }
|
|
||||||
ac_prog_version=`$CC -v 2>&1 | sed -n 's/^.*version \([egcygnustpi-]*[0-9.]*\).*$/\1/p'`
|
|
||||||
case $ac_prog_version in
|
|
||||||
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
|
|
||||||
4.[4-9].* | 4.[1-9][0-9].* | [5-9].* )
|
|
||||||
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
|
|
||||||
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
|
|
||||||
|
|
||||||
esac
|
|
||||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
|
|
||||||
$as_echo "$ac_prog_version" >&6; }
|
|
||||||
fi
|
|
||||||
if test $ac_verc_fail = yes; then
|
|
||||||
critic_missing="$critic_missing gcc"
|
|
||||||
fi
|
|
||||||
|
|
||||||
for ac_prog in gnumake gmake make
|
for ac_prog in gnumake gmake make
|
||||||
do
|
do
|
||||||
# Extract the first word of "$ac_prog", so it can be a program name with args.
|
# Extract the first word of "$ac_prog", so it can be a program name with args.
|
||||||
@ -4979,6 +4916,39 @@ if test $ac_verc_fail = yes; then
|
|||||||
fi
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC is sufficient to build libc" >&5
|
||||||
|
$as_echo_n "checking if $CC is sufficient to build libc... " >&6; }
|
||||||
|
if ${libc_cv_compiler_ok+:} false; then :
|
||||||
|
$as_echo_n "(cached) " >&6
|
||||||
|
else
|
||||||
|
|
||||||
|
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||||
|
/* end confdefs.h. */
|
||||||
|
|
||||||
|
int
|
||||||
|
main ()
|
||||||
|
{
|
||||||
|
|
||||||
|
#if !defined __GNUC__ || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4)
|
||||||
|
#error insufficient compiler
|
||||||
|
#endif
|
||||||
|
;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
_ACEOF
|
||||||
|
if ac_fn_c_try_compile "$LINENO"; then :
|
||||||
|
libc_cv_compiler_ok=yes
|
||||||
|
else
|
||||||
|
libc_cv_compiler_ok=no
|
||||||
|
fi
|
||||||
|
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
||||||
|
fi
|
||||||
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_ok" >&5
|
||||||
|
$as_echo "$libc_cv_compiler_ok" >&6; }
|
||||||
|
if test $libc_cv_compiler_ok != yes; then :
|
||||||
|
critic_missing="$critic_missing compiler"
|
||||||
|
fi
|
||||||
|
|
||||||
if test -n "$ac_tool_prefix"; then
|
if test -n "$ac_tool_prefix"; then
|
||||||
# Extract the first word of "${ac_tool_prefix}nm", so it can be a program name with args.
|
# Extract the first word of "${ac_tool_prefix}nm", so it can be a program name with args.
|
||||||
set dummy ${ac_tool_prefix}nm; ac_word=$2
|
set dummy ${ac_tool_prefix}nm; ac_word=$2
|
||||||
|
|||||||
13
configure.ac
13
configure.ac
@ -910,9 +910,6 @@ AC_CHECK_PROG_VER(LD, $LD, --version,
|
|||||||
|
|
||||||
# These programs are version sensitive.
|
# These programs are version sensitive.
|
||||||
AC_CHECK_TOOL_PREFIX
|
AC_CHECK_TOOL_PREFIX
|
||||||
AC_CHECK_PROG_VER(CC, ${ac_tool_prefix}gcc ${ac_tool_prefix}cc, -v,
|
|
||||||
[version \([egcygnustpi-]*[0-9.]*\)], [4.[4-9].* | 4.[1-9][0-9].* | [5-9].* ],
|
|
||||||
critic_missing="$critic_missing gcc")
|
|
||||||
AC_CHECK_PROG_VER(MAKE, gnumake gmake make, --version,
|
AC_CHECK_PROG_VER(MAKE, gnumake gmake make, --version,
|
||||||
[GNU Make[^0-9]*\([0-9][0-9.]*\)],
|
[GNU Make[^0-9]*\([0-9][0-9.]*\)],
|
||||||
[3.79* | 3.[89]* | [4-9].* | [1-9][0-9]*], critic_missing="$critic_missing make")
|
[3.79* | 3.[89]* | [4-9].* | [1-9][0-9]*], critic_missing="$critic_missing make")
|
||||||
@ -933,6 +930,16 @@ AC_CHECK_PROG_VER(AWK, gawk, --version,
|
|||||||
[GNU Awk[^0-9]*\([0-9][0-9.]*\)],
|
[GNU Awk[^0-9]*\([0-9][0-9.]*\)],
|
||||||
[3.1.[2-9]*|3.[2-9]*|[4-9]*], critic_missing="$critic_missing gawk")
|
[3.1.[2-9]*|3.[2-9]*|[4-9]*], critic_missing="$critic_missing gawk")
|
||||||
|
|
||||||
|
AC_CACHE_CHECK([if $CC is sufficient to build libc], libc_cv_compiler_ok, [
|
||||||
|
AC_TRY_COMPILE([], [
|
||||||
|
#if !defined __GNUC__ || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4)
|
||||||
|
#error insufficient compiler
|
||||||
|
#endif],
|
||||||
|
[libc_cv_compiler_ok=yes],
|
||||||
|
[libc_cv_compiler_ok=no])])
|
||||||
|
AS_IF([test $libc_cv_compiler_ok != yes],
|
||||||
|
[critic_missing="$critic_missing compiler"])
|
||||||
|
|
||||||
AC_CHECK_TOOL(NM, nm, false)
|
AC_CHECK_TOOL(NM, nm, false)
|
||||||
|
|
||||||
if test "x$maintainer" = "xyes"; then
|
if test "x$maintainer" = "xyes"; then
|
||||||
|
|||||||
Reference in New Issue
Block a user