* alpha.md (addsi3, subsi3): No new temporaries once cse is

[pf3gnuchains/gcc-fork.git] / gcc / configure.in

diff --git a/gcc/configure.in b/gcc/configure.in
index 5b79d3f..1dd3dd9 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -93,14 +93,14 @@ gnu_ld_flag=no)
 # With pre-defined ld
 AC_ARG_WITH(ld,
 [  --with-ld               arrange to use the specified ld (full pathname).],
-LD="$with_ld")
-if test x"${LD+set}" = x"set"; then
-  if test ! -x "$LD"; then
-    AC_MSG_WARN([cannot execute: $LD: check --with-ld or env. var. LD])
-  elif test "GNU" = `$LD -v </dev/null 2>&1 | sed '1s/^GNU.*/GNU/;q'`; then
+DEFAULT_LINKER="$with_ld")
+if test x"${DEFAULT_LINKER+set}" = x"set"; then
+  if test ! -x "$DEFAULT_LINKER"; then
+    AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
+  elif test "GNU" = `$DEFAULT_LINKER -v </dev/null 2>&1 | sed '1s/^GNU.*/GNU/;q'`; then
     gnu_ld_flag=yes
   fi
-  AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$LD")
+  AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER")
 fi
 
 # With GNU as
@@ -111,14 +111,14 @@ gas_flag=no)
 
 AC_ARG_WITH(as,
 [  --with-as               arrange to use the specified as (full pathname).],
-AS="$with_as")
-if test x"${AS+set}" = x"set"; then
-  if test ! -x "$AS"; then
-    AC_MSG_WARN([cannot execute: $AS: check --with-as or env. var. AS])
-  elif test "GNU" = `$AS -v </dev/null 2>&1 | sed '1s/^GNU.*/GNU/;q'`; then
+DEFAULT_ASSEMBLER="$with_as")
+if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
+  if test ! -x "$DEFAULT_ASSEMBLER"; then
+    AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
+  elif test "GNU" = `$DEFAULT_ASSEMBLER -v </dev/null 2>&1 | sed '1s/^GNU.*/GNU/;q'`; then
     gas_flag=yes
   fi
-  AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$AS")
+  AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER")
 fi
 
 # With stabs
@@ -164,7 +164,9 @@ if test x${gxx_include_dir} = x; then
     gxx_include_dir='${libsubdir}/include/g++'
   else
     topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
+changequote(<<, >>)dnl
     gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/g++"-${libstdcxx_interface}
+changequote([, ])dnl
   fi
 fi
 
@@ -190,9 +192,8 @@ AC_ARG_ENABLE(c-cpplib,
 [  --enable-c-cpplib       link cpplib directly into C and C++ compilers
                           (implies --enable-cpplib).],
 if test x$enable_c_cpplib != xno; then
-  extra_c_objs="${extra_c_objs} cpplib.o cppexp.o cpphash.o cpperror.o"
-  extra_c_objs="${extra_c_objs} prefix.o"
-  extra_cxx_objs="${extra_cxx_objs} ../cpplib.o ../cppexp.o ../cpphash.o ../cpperror.o ../prefix.o"
+  extra_c_objs="${extra_c_objs} libcpp.a"
+  extra_cxx_objs="${extra_cxx_objs} ../libcpp.a"
   extra_c_flags=-DUSE_CPPLIB=1
   cpp_main=cppmain
 fi)
@@ -288,22 +289,22 @@ AC_SUBST(stage1_warn_cflags)
 AC_PROG_MAKE_SET
 
 AC_MSG_CHECKING([whether a default assembler was specified])
-if test x"${AS+set}" = x"set"; then
+if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
     if test x"$with_gas" = x"no"; then
-       AC_MSG_RESULT([yes ($AS)])
+       AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
     else
-       AC_MSG_RESULT([yes ($AS - GNU as)])
+       AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
     fi
 else
     AC_MSG_RESULT(no)
 fi
 
 AC_MSG_CHECKING([whether a default linker was specified])
-if test x"${LD+set}" = x"set"; then
+if test x"${DEFAULT_LINKER+set}" = x"set"; then
     if test x"$with_gnu_ld" = x"no"; then
-       AC_MSG_RESULT([yes ($LD)])
+       AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
     else
-       AC_MSG_RESULT([yes ($LD - GNU ld)])
+       AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
     fi
 else
     AC_MSG_RESULT(no)
@@ -352,10 +353,12 @@ AC_CACHE_VAL(gcc_cv_header_inttypes_h,
   [#include <sys/types.h>
 #include <inttypes.h>],
   [intmax_t i = -1;],
-  [AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H)
-   gcc_cv_header_inttypes_h=yes],
+  [gcc_cv_header_inttypes_h=yes],
   gcc_cv_header_inttypes_h=no)])
 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
+if test $gcc_cv_header_inttypes_h = yes; then
+  AC_DEFINE(HAVE_INTTYPES_H)
+fi
 
 AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen bcopy bzero bcmp \
        index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
@@ -366,6 +369,7 @@ AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen bcopy bzero bcmp \
 
 GCC_FUNC_VFPRINTF_DOPRNT
 GCC_FUNC_PRINTF_PTR
+AC_FUNC_VFORK
 
 GCC_NEED_DECLARATIONS(malloc realloc calloc free bcopy bzero bcmp \
        index rindex getenv atol sbrk abort atof strerror getcwd getwd \
@@ -1191,6 +1195,12 @@ changequote([,])dnl
                tmake_file=i386/t-go32
                gnu_ld=yes
                gas=yes
+               exeext=.exe
+               case $host in
+               *pc-msdosdjgpp*)
+                       target_alias=djgpp
+                       ;;
+               esac
                ;;
 changequote(,)dnl
        i[34567]86-moss-msdos* | i[34567]86-*-moss*)
@@ -3707,12 +3717,14 @@ AC_MSG_CHECKING(assembler alignment features)
 gcc_cv_as=
 gcc_cv_as_alignment_features=
 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
-if test -x "$AS"; then
-       gcc_cv_as=$AS
+if test -x "$DEFAULT_ASSEMBLER"; then
+       gcc_cv_as="$DEFAULT_ASSEMBLER"
+elif test -x "$AS"; then
+       gcc_cv_as="$AS"
 elif test -x as$host_exeext; then
        # Build using assembler in the current directory.
        gcc_cv_as=./as$host_exeext
-elif test -f $gcc_cv_as_gas_srcdir/configure.in; then
+elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
        # Single tree build which includes gas.
        for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
        do