configure.in: Test for availability of putc_unlocked, fputc_unlocked, and fputs_unlocked.

        * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
        and fputs_unlocked.
        * configure: Rebuilt.
        * system.h: If the *_unlocked functions are available use them
        instead of the locked counterparts by defining macros.
        * config.in: Regenerated.

From-SVN: r24175

gcc/ChangeLog

+1998-12-08  Ulrich Drepper  <drepper@cygnus.com>
+
+	* configure.in: Test for availability of putc_unlocked, fputc_unlocked,
+	and fputs_unlocked.
+	* configure: Rebuilt.
+	* system.h: If the *_unlocked functions are available use them
+	instead of the locked counterparts by defining macros.
+	* config.in: Regenerated.
+
 Tue Dec  8 00:34:05 1998  Mike Stump  <mrs@wrs.com>
 
 	* i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is

gcc/config.in

@@ -140,6 +140,12 @@
 /* Define if you have the bzero function.  */
 #undef HAVE_BZERO
 
+/* Define if you have the fputc_unlocked function.  */
+#undef HAVE_FPUTC_UNLOCKED
+
+/* Define if you have the fputs_unlocked function.  */
+#undef HAVE_FPUTS_UNLOCKED
+
 /* Define if you have the getrlimit function.  */
 #undef HAVE_GETRLIMIT
 
@@ -158,6 +164,9 @@
 /* Define if you have the popen function.  */
 #undef HAVE_POPEN
 
+/* Define if you have the putc_unlocked function.  */
+#undef HAVE_PUTC_UNLOCKED
+
 /* Define if you have the putenv function.  */
 #undef HAVE_PUTENV
 

gcc/configure.in

@@ -371,7 +371,8 @@ fi
 
 AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen bcopy bzero bcmp \
 	index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
-	sysconf isascii gettimeofday strsignal)
+	sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
+	fputs_unlocked)
 
 # Make sure wchar_t is available
 #AC_CHECK_TYPE(wchar_t, unsigned int)

gcc/system.h

@@ -21,6 +21,21 @@
 #define NULL 0
 #endif
 
+/* The compiler is not a multi-threaded application and therefore we
+   do not have to use the locking functions.  */
+#ifdef HAVE_PUTC_UNLOCKED
+# undef putc
+# define putc(C, Stream) putc_unlocked (C, Stream)
+#endif
+#ifdef HAVE_FPUTC_UNLOCKED
+# undef fputc
+# define fputc(C, Stream) fputc_unlocked (C, Stream)
+#endif
+#ifdef HAVE_FPUTS_UNLOCKED
+# undef fputs
+# define fputs(String, Stream) fputs_unlocked (String, Stream)
+#endif
+
 #include <ctype.h>
 
 /* Jim Meyering writes: