diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 13 | ||||
| -rw-r--r-- | gcc/acconfig.h | 3 | ||||
| -rw-r--r-- | gcc/aclocal.m4 | 10 | ||||
| -rw-r--r-- | gcc/config.in | 3 | ||||
| -rwxr-xr-x | gcc/configure | 135 | ||||
| -rw-r--r-- | gcc/configure.in | 1 | ||||
| -rw-r--r-- | gcc/genemit.c | 1 | ||||
| -rw-r--r-- | gcc/system.h | 6 |
8 files changed, 120 insertions, 52 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index df8b7e029be..3c0e208c569 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,16 @@ +Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf. + * alocal.m4 (GCC_C_VOLATILE): New autoconf test. + * configure.in: Use GCC_C_VOLATILE. + * system.h (volatile): Define as empty if no volatile support is + available. + +Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com) + + * genemit.c (output_add_clobbers): Removed unused variable 'i' from + generated fucntion. + Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com> * loop.c (get_condition): Don't combine when either compare is MODE_CC. diff --git a/gcc/acconfig.h b/gcc/acconfig.h index ea5dc51034b..1cd06fb00c7 100644 --- a/gcc/acconfig.h +++ b/gcc/acconfig.h @@ -4,6 +4,9 @@ /* Define if your cpp understands the stringify operator. */ #undef HAVE_CPP_STRINGIFY +/* Define if your compiler understands volatile. */ +#undef HAVE_VOLATILE + /* Define if you have a working <inttypes.h> header file. */ #undef HAVE_INTTYPES_H diff --git a/gcc/aclocal.m4 b/gcc/aclocal.m4 index 007fb5eb5f6..7149a2ab98a 100644 --- a/gcc/aclocal.m4 +++ b/gcc/aclocal.m4 @@ -143,6 +143,16 @@ fi AC_SUBST(LN)dnl ]) +dnl See whether the stage1 host compiler accepts the volatile keyword. +AC_DEFUN(GCC_C_VOLATILE, +[AC_CACHE_CHECK([for volatile], gcc_cv_c_volatile, +[AC_TRY_COMPILE(, [volatile int foo;], + gcc_cv_c_volatile=yes, gcc_cv_c_volatile=no)]) +if test $gcc_cv_c_volatile = yes ; then + AC_DEFINE(HAVE_VOLATILE) +fi +]) + AC_DEFUN(EGCS_PROG_INSTALL, [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl # Find a good install program. We prefer a C program (faster), diff --git a/gcc/config.in b/gcc/config.in index 772c165e248..c1cf19947b9 100644 --- a/gcc/config.in +++ b/gcc/config.in @@ -5,6 +5,9 @@ /* Define if your cpp understands the stringify operator. */ #undef HAVE_CPP_STRINGIFY +/* Define if your compiler understands volatile. */ +#undef HAVE_VOLATILE + /* Define if you have a working <inttypes.h> header file. */ #undef HAVE_INTTYPES_H diff --git a/gcc/configure b/gcc/configure index d5ac1a862a9..aec06640694 100755 --- a/gcc/configure +++ b/gcc/configure @@ -1171,10 +1171,43 @@ else fi fi +echo $ac_n "checking for volatile""... $ac_c" 1>&6 +echo "configure:1176: checking for volatile" >&5 +if eval "test \"`echo '$''{'gcc_cv_c_volatile'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1181 "configure" +#include "confdefs.h" + +int main() { +volatile int foo; +; return 0; } +EOF +if { (eval echo configure:1188: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + gcc_cv_c_volatile=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + gcc_cv_c_volatile=no +fi +rm -f conftest* +fi + +echo "$ac_t""$gcc_cv_c_volatile" 1>&6 +if test $gcc_cv_c_volatile = yes ; then + cat >> confdefs.h <<\EOF +#define HAVE_VOLATILE 1 +EOF + +fi + # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:1178: checking for $ac_word" >&5 +echo "configure:1211: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1205,7 +1238,7 @@ do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:1209: checking for $ac_word" >&5 +echo "configure:1242: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1245,7 +1278,7 @@ test -n "$YACC" || YACC="yacc" # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" # ./install, which can be erroneously created by make from ./install.sh. echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6 -echo "configure:1249: checking for a BSD compatible install" >&5 +echo "configure:1282: checking for a BSD compatible install" >&5 if test -z "$INSTALL"; then if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 @@ -1296,7 +1329,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6 -echo "configure:1300: checking how to run the C preprocessor" >&5 +echo "configure:1333: checking how to run the C preprocessor" >&5 # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= @@ -1311,13 +1344,13 @@ else # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. cat > conftest.$ac_ext <<EOF -#line 1315 "configure" +#line 1348 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1354: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : @@ -1328,13 +1361,13 @@ else rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext <<EOF -#line 1332 "configure" +#line 1365 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1338: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1371: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : @@ -1357,12 +1390,12 @@ fi echo "$ac_t""$CPP" 1>&6 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6 -echo "configure:1361: checking for ANSI C header files" >&5 +echo "configure:1394: checking for ANSI C header files" >&5 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1366 "configure" +#line 1399 "configure" #include "confdefs.h" #include <stdlib.h> #include <stdarg.h> @@ -1370,7 +1403,7 @@ else #include <float.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1374: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1407: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1387,7 +1420,7 @@ rm -f conftest* if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat > conftest.$ac_ext <<EOF -#line 1391 "configure" +#line 1424 "configure" #include "confdefs.h" #include <string.h> EOF @@ -1405,7 +1438,7 @@ fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat > conftest.$ac_ext <<EOF -#line 1409 "configure" +#line 1442 "configure" #include "confdefs.h" #include <stdlib.h> EOF @@ -1426,7 +1459,7 @@ if test "$cross_compiling" = yes; then : else cat > conftest.$ac_ext <<EOF -#line 1430 "configure" +#line 1463 "configure" #include "confdefs.h" #include <ctype.h> #define ISLOWER(c) ('a' <= (c) && (c) <= 'z') @@ -1437,7 +1470,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } EOF -if { (eval echo configure:1441: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null +if { (eval echo configure:1474: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null then : else @@ -1461,12 +1494,12 @@ EOF fi echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6 -echo "configure:1465: checking whether time.h and sys/time.h may both be included" >&5 +echo "configure:1498: checking whether time.h and sys/time.h may both be included" >&5 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1470 "configure" +#line 1503 "configure" #include "confdefs.h" #include <sys/types.h> #include <sys/time.h> @@ -1475,7 +1508,7 @@ int main() { struct tm *tp; ; return 0; } EOF -if { (eval echo configure:1479: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1512: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_header_time=yes else @@ -1499,17 +1532,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unist do ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 -echo "configure:1503: checking for $ac_hdr" >&5 +echo "configure:1536: checking for $ac_hdr" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1508 "configure" +#line 1541 "configure" #include "confdefs.h" #include <$ac_hdr> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1513: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1546: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1539,17 +1572,17 @@ done # Check for thread headers. ac_safe=`echo "thread.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for thread.h""... $ac_c" 1>&6 -echo "configure:1543: checking for thread.h" >&5 +echo "configure:1576: checking for thread.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1548 "configure" +#line 1581 "configure" #include "confdefs.h" #include <thread.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1553: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1586: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1573,17 +1606,17 @@ fi ac_safe=`echo "pthread.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for pthread.h""... $ac_c" 1>&6 -echo "configure:1577: checking for pthread.h" >&5 +echo "configure:1610: checking for pthread.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1582 "configure" +#line 1615 "configure" #include "confdefs.h" #include <pthread.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1587: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1620: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1609,12 +1642,12 @@ fi # See if the system preprocessor understands the ANSI C preprocessor # stringification operator. echo $ac_n "checking whether cpp understands the stringify operator""... $ac_c" 1>&6 -echo "configure:1613: checking whether cpp understands the stringify operator" >&5 +echo "configure:1646: checking whether cpp understands the stringify operator" >&5 if eval "test \"`echo '$''{'gcc_cv_c_have_stringify'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1618 "configure" +#line 1651 "configure" #include "confdefs.h" int main() { @@ -1622,7 +1655,7 @@ int main() { char *test = S(foo); ; return 0; } EOF -if { (eval echo configure:1626: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1659: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* gcc_cv_c_have_stringify=yes else @@ -1645,12 +1678,12 @@ fi # Use <inttypes.h> only if it exists, # doesn't clash with <sys/types.h>, and declares intmax_t. echo $ac_n "checking for inttypes.h""... $ac_c" 1>&6 -echo "configure:1649: checking for inttypes.h" >&5 +echo "configure:1682: checking for inttypes.h" >&5 if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1654 "configure" +#line 1687 "configure" #include "confdefs.h" #include <sys/types.h> #include <inttypes.h> @@ -1658,7 +1691,7 @@ int main() { intmax_t i = -1; ; return 0; } EOF -if { (eval echo configure:1662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1695: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* cat >> confdefs.h <<EOF #define HAVE_INTTYPES_H 1 @@ -1681,12 +1714,12 @@ for ac_func in strtoul bsearch strerror putenv popen bcopy bzero bcmp \ sysconf isascii do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 -echo "configure:1685: checking for $ac_func" >&5 +echo "configure:1718: checking for $ac_func" >&5 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1690 "configure" +#line 1723 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1709,7 +1742,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1713: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1746: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1735,12 +1768,12 @@ done echo $ac_n "checking for vprintf""... $ac_c" 1>&6 -echo "configure:1739: checking for vprintf" >&5 +echo "configure:1772: checking for vprintf" >&5 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1744 "configure" +#line 1777 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char vprintf(); below. */ @@ -1763,7 +1796,7 @@ vprintf(); ; return 0; } EOF -if { (eval echo configure:1767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1800: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func_vprintf=yes" else @@ -1787,12 +1820,12 @@ fi if test "$ac_cv_func_vprintf" != yes; then echo $ac_n "checking for _doprnt""... $ac_c" 1>&6 -echo "configure:1791: checking for _doprnt" >&5 +echo "configure:1824: checking for _doprnt" >&5 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1796 "configure" +#line 1829 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char _doprnt(); below. */ @@ -1815,7 +1848,7 @@ _doprnt(); ; return 0; } EOF -if { (eval echo configure:1819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1852: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func__doprnt=yes" else @@ -1851,7 +1884,7 @@ fi echo $ac_n "checking whether the printf functions support %p""... $ac_c" 1>&6 -echo "configure:1855: checking whether the printf functions support %p" >&5 +echo "configure:1888: checking whether the printf functions support %p" >&5 if eval "test \"`echo '$''{'gcc_cv_func_printf_ptr'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1859,7 +1892,7 @@ else gcc_cv_func_printf_ptr=no else cat > conftest.$ac_ext <<EOF -#line 1863 "configure" +#line 1896 "configure" #include "confdefs.h" #include <stdio.h> @@ -1872,7 +1905,7 @@ main() exit (p != q); } EOF -if { (eval echo configure:1876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null +if { (eval echo configure:1909: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null then gcc_cv_func_printf_ptr=yes else @@ -1900,12 +1933,12 @@ for ac_func in malloc realloc calloc free bcopy bzero bcmp \ index rindex getenv atol sbrk abort atof do echo $ac_n "checking whether $ac_func must be declared""... $ac_c" 1>&6 -echo "configure:1904: checking whether $ac_func must be declared" >&5 +echo "configure:1937: checking whether $ac_func must be declared" >&5 if eval "test \"`echo '$''{'gcc_cv_decl_needed_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1909 "configure" +#line 1942 "configure" #include "confdefs.h" #include <stdio.h> @@ -1932,7 +1965,7 @@ int main() { char *(*pfn) = (char *(*)) $ac_func ; return 0; } EOF -if { (eval echo configure:1936: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1969: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* eval "gcc_cv_decl_needed_$ac_func=no" else @@ -1959,12 +1992,12 @@ done echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6 -echo "configure:1963: checking for sys_siglist declaration in signal.h or unistd.h" >&5 +echo "configure:1996: checking for sys_siglist declaration in signal.h or unistd.h" >&5 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1968 "configure" +#line 2001 "configure" #include "confdefs.h" #include <sys/types.h> #include <signal.h> @@ -1976,7 +2009,7 @@ int main() { char *msg = *(sys_siglist + 1); ; return 0; } EOF -if { (eval echo configure:1980: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:2013: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_decl_sys_siglist=yes else diff --git a/gcc/configure.in b/gcc/configure.in index b273897f816..c5a33be8876 100644 --- a/gcc/configure.in +++ b/gcc/configure.in @@ -143,6 +143,7 @@ AC_PROG_AWK AC_PROG_LEX GCC_PROG_LN GCC_PROG_LN_S +GCC_C_VOLATILE AC_PROG_RANLIB AC_PROG_YACC EGCS_PROG_INSTALL diff --git a/gcc/genemit.c b/gcc/genemit.c index e61d3c09dc4..d3894716bf3 100644 --- a/gcc/genemit.c +++ b/gcc/genemit.c @@ -620,7 +620,6 @@ output_add_clobbers () printf ("\n\nvoid\nadd_clobbers (pattern, insn_code_number)\n"); printf (" rtx pattern;\n int insn_code_number;\n"); printf ("{\n"); - printf (" int i;\n\n"); printf (" switch (insn_code_number)\n"); printf (" {\n"); diff --git a/gcc/system.h b/gcc/system.h index a3ff5bd3058..e1c75abff95 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -210,6 +210,12 @@ extern char *getenv (); extern char *sbrk (); #endif +/* HAVE_VOLATILE only refers to the stage1 compiler. We also check + __STDC__ and assume gcc sets it and has volatile in stage >=2. */ +#if !defined(HAVE_VOLATILE) && !defined(__STDC__) && !defined(volatile) +#define volatile +#endif + /* Redefine abort to report an internal error w/o coredump, and reporting the location of the error in the source file. */ #ifndef abort |