blob: 1761a3a9f1203d4520fc3b1fdc5c92223bb8829e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
Don't automagically enable LTO. Users can enable that if they want via
*FLAGS.
--- a/configure.ac
+++ b/configure.ac
@@ -46,43 +46,6 @@ dnl Checks for typedefs, structures, and compiler characteristics.
AC_STRUCT_TM
U="`uname -s`"
-# LTO fails on Solaris for some reason
-if test "$U" != "SunOS" -a "$GCC" = yes; then
- CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes"
- # Check for link-time optimization support
- OLDCFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -flto=auto"
- AC_MSG_CHECKING([whether $CC supports -flto=auto])
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [[int x = 1;]],
- [[]])],
- [lto=yes],
- [lto=no]
- )
- AC_MSG_RESULT([$lto])
- if test "x$lto" != "xyes" ; then
- CFLAGS="$OLDCFLAGS"
- else
- AC_MSG_CHECKING([whether $CC supports -ffat-lto-object])
- OLDCFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror -ffat-lto-objects"
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [[int x = 1;]],
- [[]])],
- [lto=yes],
- [lto=no]
- )
- AC_MSG_RESULT([$lto])
- if test "x$lto" != "xyes" ; then
- CFLAGS="$OLDCFLAGS"
- else
- CFLAGS="$OLDCFLAGS -ffat-lto-objects"
- fi
- fi
-fi
-
dnl If sizeof(time_t) is 4, try to get 64-bit time_t
if test "$ac_cv_sizeof_time_t" = "4" ; then
AC_MSG_NOTICE([time_t is 32-bits on this system; attempting to use 64-bit time_t])
|
