[configure] fix Savannah bug #35644.
* builds/unix/configure.raw: Check `-ansi' flag works even if gcc is used. Bionic libc headers for Android lose the consistency when they are parsed with __STDC_VERSION__ older than 199901L or __STRICT_ANSI__.
This commit is contained in:
parent
37b5c92f83
commit
f0b194141d
|
@ -1,3 +1,12 @@
|
|||
2012-03-20 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
|
||||
|
||||
[configure] fix Savannah bug #35644.
|
||||
|
||||
* builds/unix/configure.raw: Check `-ansi' flag works even if gcc
|
||||
is used. Bionic libc headers for Android lose the consistency
|
||||
when they are parsed with __STDC_VERSION__ older than 199901L or
|
||||
__STRICT_ANSI__.
|
||||
|
||||
2012-03-20 Werner Lemberg <wl@gnu.org>
|
||||
|
||||
[bdf] Improvement to Savannah bug #35656.
|
||||
|
|
|
@ -67,28 +67,6 @@ AC_SUBST(EXEEXT_BUILD)
|
|||
|
||||
|
||||
|
||||
# get compiler flags right
|
||||
|
||||
if test "x$GCC" = xyes; then
|
||||
XX_CFLAGS="-Wall"
|
||||
XX_ANSIFLAGS="-pedantic -ansi"
|
||||
else
|
||||
case "$host" in
|
||||
*-dec-osf*)
|
||||
CFLAGS=
|
||||
XX_CFLAGS="-std1 -g3"
|
||||
XX_ANSIFLAGS=
|
||||
;;
|
||||
*)
|
||||
XX_CFLAGS=
|
||||
XX_ANSIFLAGS=
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
AC_SUBST([XX_CFLAGS])
|
||||
AC_SUBST([XX_ANSIFLAGS])
|
||||
|
||||
|
||||
# auxiliary programs
|
||||
|
||||
AC_CHECK_PROG([RMF], [rm], [rm -f])
|
||||
|
@ -222,6 +200,48 @@ AC_SUBST([FTSYS_SRC])
|
|||
AC_CHECK_FUNCS([memcpy memmove])
|
||||
|
||||
|
||||
# get compiler flags right
|
||||
# we try to make the compiler work for C89-strict source.
|
||||
# even if C compiler is GCC and C89 flags are available,
|
||||
# some system headers (e.g. Android Bionic libc) is broken
|
||||
# in C89 mode. we have to check the compilation finishes
|
||||
# successfully.
|
||||
#
|
||||
if test "x$GCC" = xyes; then
|
||||
XX_CFLAGS="-Wall"
|
||||
XX_ANSIFLAGS=""
|
||||
for a in -pedantic -ansi
|
||||
do
|
||||
AC_MSG_CHECKING([gcc compiler flag ${a} to assure ANSI C works correctly])
|
||||
orig_CFLAGS="${CFLAGS}"
|
||||
CFLAGS="${CFLAGS} ${XX_ANSIFLAGS} ${a}"
|
||||
AC_COMPILE_IFELSE([
|
||||
AC_LANG_PROGRAM([#include <stdio.h>],[{puts("");return 0;}])
|
||||
],[
|
||||
AC_MSG_RESULT([ok, add it to XX_ANSIFLAGS])
|
||||
XX_ANSIFLAGS="${XX_ANSIFLAGS} ${a}"
|
||||
],[
|
||||
AC_MSG_RESULT([no])
|
||||
])
|
||||
CFLAGS="${orig_CFLAGS}"
|
||||
done
|
||||
else
|
||||
case "$host" in
|
||||
*-dec-osf*)
|
||||
CFLAGS=
|
||||
XX_CFLAGS="-std1 -g3"
|
||||
XX_ANSIFLAGS=
|
||||
;;
|
||||
*)
|
||||
XX_CFLAGS=
|
||||
XX_ANSIFLAGS=
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
AC_SUBST([XX_CFLAGS])
|
||||
AC_SUBST([XX_ANSIFLAGS])
|
||||
|
||||
|
||||
# check for system zlib
|
||||
|
||||
# don't quote AS_HELP_STRING!
|
||||
|
|
Loading…
Reference in New Issue