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-rw-r--r--erts/configure.in59
1 files changed, 48 insertions, 11 deletions
diff --git a/erts/configure.in b/erts/configure.in
index a9df8980c1..a3b6fe319f 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -448,22 +448,59 @@ case $host_os in
;;
esac
+lfs_conf=ok
+lfs_source=none
+if test "${LFS_CFLAGS+set}" = "set" || \
+ test "${LFS_LDFLAGS+set}" = "set" || \
+ test "${LFS_LIBS+set}" = "set"; then
+ lfs_source=user
+else
+ LM_CHECK_GETCONF
+ test "$GETCONF" = "false" || lfs_source=getconf
+fi
-dnl
-dnl Use the getconf utility if it exists
-dnl to find large file support flags.
-dnl
-if type getconf >/dev/null 2>&1; then
- CFLAGS="$CFLAGS `getconf LFS_CFLAGS 2>/dev/null`"
- DEBUG_CFLAGS="$DEBUG_CFLAGS `getconf LFS_CFLAGS 2>/dev/null`"
- LDFLAGS="$LDFLAGS `getconf LFS_LDFLAGS 2>/dev/null`"
- LIBS="$LIBS `getconf LFS_LIBS 2>/dev/null`"
+if test "$lfs_source" = "none"; then
+ AC_MSG_WARN([Do not know how to check for large file support flags; no getconf is available])
+else
+ for var in CFLAGS LDFLAGS LIBS; do
+ AC_MSG_CHECKING([for large file support $var])
+ if test $lfs_source = user; then
+ eval "lfs_val=\"\$LFS_$var\""
+ else
+ eval "lfs_var=LFS_$var"
+ lfs_val=`$GETCONF $lfs_var 2>/dev/null` || lfs_conf=failed
+ if test $lfs_conf = failed; then
+ AC_MSG_RESULT([failed])
+ break
+ fi
+ eval "$lfs_var=\"$lfs_val\""
+ fi
+ test "$lfs_val" != "" || lfs_val=none
+ AC_MSG_RESULT([$lfs_val])
+ done
+ if test $lfs_conf = failed; then
+ AC_MSG_WARN([Check for large file support flags failed; $GETCONF failed])
+ else
+ CFLAGS="$CFLAGS $LFS_CFLAGS"
+ DEBUG_CFLAGS="$DEBUG_CFLAGS $LFS_CFLAGS"
+ LDFLAGS="$LDFLAGS $LFS_LDFLAGS"
+ LIBS="$LIBS $LFS_LIBS"
+ fi
fi
if test "x$GCC" = xyes; then
# until the emulator can handle this, I suggest we turn it off!
#WFLAGS="-Wall -Wshadow -Wcast-qual -Wmissing-declarations"
- WFLAGS="-Wall -Wstrict-prototypes -Wmissing-prototypes"
+ WFLAGS="-Wall -Wstrict-prototypes"
+
+ case "$host_cpu" in
+ tile*)
+ # tile-gcc is a bit stricter with -Wmissing-prototypes than other gccs,
+ # and too strict for our taste.
+ ;;
+ *)
+ WFLAGS="$WFLAGS -Wmissing-prototypes";;
+ esac
saved_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Wdeclaration-after-statement"
@@ -663,7 +700,7 @@ fi
AC_PROG_LN_S
-AC_CHECK_PROG(AR, ar, ar, false)
+AC_CHECK_TOOL([AR], [ar], [false])
if test "$ac_cv_prog_AR" = false; then
AC_MSG_ERROR([No 'ar' command found in PATH])
fi