PR driver/40144

[pf3gnuchains/gcc-fork.git] / libcpp / configure.ac

diff --git a/libcpp/configure.ac b/libcpp/configure.ac
index b56a744..833eb43 100644 (file)
--- a/libcpp/configure.ac
+++ b/libcpp/configure.ac
@@ -22,17 +22,22 @@ AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
 # See config/warnings.m4 for details.
 
 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
-                         -Wmissing-prototypes -Wold-style-definition])
+                         -Wmissing-prototypes -Wold-style-definition \
+                         -Wmissing-format-attribute])
 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
 
 # Only enable with --enable-werror-always until existing warnings are
 # corrected.
 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
 
+# Dependency checking.
+ZW_CREATE_DEPDIR
+ZW_PROG_COMPILER_DEPENDENCIES([CC])
+
 # Checks for header files.
 AC_HEADER_TIME
 ACX_HEADER_STRING
-AC_CHECK_HEADERS(iconv.h locale.h fcntl.h limits.h stddef.h \
+AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \
        stdlib.h strings.h string.h sys/file.h unistd.h)
 
 # Checks for typedefs, structures, and compiler characteristics.
@@ -41,6 +46,7 @@ AC_C_INLINE
 AC_FUNC_OBSTACK
 AC_TYPE_OFF_T
 AC_TYPE_SIZE_T
+AC_CHECK_TYPE(ssize_t, int)
 AC_STRUCT_TM
 AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)
@@ -50,7 +56,8 @@ define(libcpp_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
   fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
   putchar_unlocked putc_unlocked)
 AC_CHECK_FUNCS(libcpp_UNLOCKED_FUNCS)
-AC_CHECK_DECLS(m4_split(m4_normalize(abort basename errno getopt libcpp_UNLOCKED_FUNCS)))
+AC_CHECK_DECLS(m4_split(m4_normalize(abort asprintf basename errno getopt \
+  libcpp_UNLOCKED_FUNCS vasprintf)))
 
 # Checks for library functions.
 AC_FUNC_ALLOCA
@@ -107,22 +114,29 @@ fi
 m4_changequote(,)
 case $target in
        alpha*-*-* | \
-       arm*-*-eabi* | \
+       arm*-*-*eabi* | \
        arm*-*-symbianelf* | \
        x86_64-*-* | \
        ia64-*-* | \
-       hppa*64*-*-* | parisc*64*-*-* | \
+       hppa*64*-*-* | \
+       i[34567]86-*-darwin* | \
        i[34567]86-*-solaris2.1[0-9]* | \
        mips*-*-* | \
        mmix-*-* | \
        powerpc*-*-* | \
        rs6000*-*-* | \
        s390*-*-* | \
-       sparc64*-*-* | ultrasparc-*-freebsd* | \
-       sparcv9-*-solaris2* | \
-       sparc-*-solaris2.[789] | sparc-*-solaris2.1[0-9]* | \
-       sh[123456789l]*-*-*)
+       sparc*-*-* | \
+       spu-*-* | \
+       sh[123456789lbe]*-*-* | sh-*-*)
                need_64bit_hwint=yes ;;
+       i[34567]86-*-linux*)
+               if test "x$enable_targets" = xall; then
+                       need_64bit_hwint=yes
+               else
+                       need_64bit_hwint=no
+               fi
+               ;;
        *)
                need_64bit_hwint=no ;;
 esac