Break up main() into separate .o's so making and linking against shared...

Tue May 19 12:50:27 1998  Craig Burley  <burley@gnu.org>
	Break up main() into separate .o's so making and
	linking against shared libraries with non-Fortran
	main() routines is easier:
	* Makefile.in (MISC): Add setarg.o and setsig.o.
	* libF77/Makefile.in (MISC): Ditto.
	* libF77/setarg.c: New file, contains f_setarg().
	* libF77/setsig.c: New file, contains f_setsig().
	* libF77/getarg_.c: Rename xarg* to f__xarg*.
	* libF77/iargc_.c: Ditto

From-SVN: r19956

8 files changed, 156 insertions, 87 deletions

diff --git a/libf2c/ChangeLog b/libf2c/ChangeLog
index 6ce28d3..e6e930b 100644
--- a/libf2c/ChangeLog
+++ b/libf2c/ChangeLog
@@ -1,3 +1,15 @@
+Tue May 19 12:50:27 1998  Craig Burley  <burley@gnu.org>
+
+	Break up main() into separate .o's so making and
+	linking against shared libraries with non-Fortran
+	main() routines is easier:
+	* Makefile.in (MISC): Add setarg.o and setsig.o.
+	* libF77/Makefile.in (MISC): Ditto.
+	* libF77/setarg.c: New file, contains f_setarg().
+	* libF77/setsig.c: New file, contains f_setsig().
+	* libF77/getarg_.c: Rename xarg* to f__xarg*.
+	* libF77/iargc_.c: Ditto
+
 Sat May  2 16:44:46 1998  Craig Burley  <burley@gnu.org>
 
 	* libF77/signal_.c, libI77/dfe.c, libI77/due.c,
diff --git a/libf2c/Makefile.in b/libf2c/Makefile.in
index aee6638..5469cc5 100644
--- a/libf2c/Makefile.in
+++ b/libf2c/Makefile.in
@@ -83,7 +83,8 @@ MISC =	libF77/F77_aloc.o libF77/VersionF.o libF77/main.o libF77/s_rnge.o \
 	libF77/abort_.o libF77/getarg_.o libF77/iargc_.o libF77/getenv_.o \
 	libF77/signal_.o libF77/s_stop.o libF77/s_paus.o libF77/system_.o \
 	libF77/cabs.o libF77/derf_.o libF77/derfc_.o libF77/erf_.o \
-	libF77/erfc_.o libF77/sig_die.o libF77/exit_.o
+	libF77/erfc_.o libF77/sig_die.o libF77/exit_.o \
+	libF77/setarg.o libF77/setsig.o
 POW =	libF77/pow_ci.o libF77/pow_dd.o libF77/pow_di.o libF77/pow_hh.o \
 	libF77/pow_ii.o  libF77/pow_ri.o libF77/pow_zi.o libF77/pow_zz.o \
 	libF77/pow_qq.o
@@ -236,5 +237,4 @@ maintainer-clean: distclean
 
 rebuilt: ${srcdir}/configure ${srcdir}/libU77/configure
 
-.PHONY: libf77 libi77 libu77 rebuilt mostlyclean clean distclean \
-  maintainer-clean all
+.PHONY: rebuilt mostlyclean clean distclean maintainer-clean all
diff --git a/libf2c/libF77/Makefile.in b/libf2c/libF77/Makefile.in
index 266e22b..d8d97a8 100644
--- a/libf2c/libF77/Makefile.in
+++ b/libf2c/libF77/Makefile.in
@@ -34,7 +34,7 @@ VPATH = @srcdir@
 
 MISC =	F77_aloc.o VersionF.o main.o s_rnge.o abort_.o getarg_.o iargc_.o\
 	getenv_.o signal_.o s_stop.o s_paus.o system_.o cabs.o\
-	derf_.o derfc_.o erf_.o erfc_.o sig_die.o exit_.o
+	derf_.o derfc_.o erf_.o erfc_.o sig_die.o exit_.o setarg.o setsig.o
 POW =	pow_ci.o pow_dd.o pow_di.o pow_hh.o pow_ii.o  pow_ri.o pow_zi.o pow_zz.o \
 	pow_qq.o
 CX =	c_abs.o c_cos.o c_div.o c_exp.o c_log.o c_sin.o c_sqrt.o
diff --git a/libf2c/libF77/getarg_.c b/libf2c/libF77/getarg_.c
index eaded2e..5cf3ffb 100644
--- a/libf2c/libF77/getarg_.c
+++ b/libf2c/libF77/getarg_.c
@@ -12,13 +12,13 @@ VOID G77_getarg_0 (n, s, ls) ftnint *n; register char *s; ftnlen ls;
 void G77_getarg_0 (ftnint *n, register char *s, ftnlen ls)
 #endif
 {
-extern int xargc;
-extern char **xargv;
+extern int f__xargc;
+extern char **f__xargv;
 register char *t;
 register int i;
 
-if(*n>=0 && *n<xargc)
-	t = xargv[*n];
+if(*n>=0 && *n<f__xargc)
+	t = f__xargv[*n];
 else
 	t = "";
 for(i = 0; i<ls && *t!='\0' ; ++i)
diff --git a/libf2c/libF77/iargc_.c b/libf2c/libF77/iargc_.c
index 7ce5e08..1e04c77 100644
--- a/libf2c/libF77/iargc_.c
+++ b/libf2c/libF77/iargc_.c
@@ -6,6 +6,6 @@ ftnint G77_iargc_0 ()
 ftnint G77_iargc_0 (void)
 #endif
 {
-extern int xargc;
-return ( xargc - 1 );
+extern int f__xargc;
+return ( f__xargc - 1 );
 }
diff --git a/libf2c/libF77/main.c b/libf2c/libF77/main.c
index 343d7bd..17bf449 100644
--- a/libf2c/libF77/main.c
+++ b/libf2c/libF77/main.c
@@ -3,12 +3,6 @@
 #include <stdio.h>
 #include "signal1.h"
 
-#ifndef SIGIOT
-#ifdef SIGABRT
-#define SIGIOT SIGABRT
-#endif
-#endif
-
 #ifndef KR_headers
 #undef VOID
 #include <stdlib.h>
@@ -41,61 +35,13 @@ extern VOID f_exit();
 #endif
 
 #ifdef KR_headers
-extern VOID f_init(), sig_die();
+extern VOID f_init();
 extern int MAIN__();
-#define Int /* int */
 #else
-extern void f_init(void), sig_die(char*, int);
+extern void f_init(void);
 extern int MAIN__(void);
-#define Int int
 #endif
 
-static VOID sigfdie(Sigarg)
-{
-Use_Sigarg;
-sig_die("Floating Exception", 1);
-}
-
-
-static VOID sigidie(Sigarg)
-{
-Use_Sigarg;
-sig_die("IOT Trap", 1);
-}
-
-#ifdef SIGQUIT
-static VOID sigqdie(Sigarg)
-{
-Use_Sigarg;
-sig_die("Quit signal", 1);
-}
-#endif
-
-
-static VOID sigindie(Sigarg)
-{
-Use_Sigarg;
-sig_die("Interrupt", 0);
-}
-
-static VOID sigtdie(Sigarg)
-{
-Use_Sigarg;
-sig_die("Killed", 0);
-}
-
-#ifdef SIGTRAP
-static VOID sigtrdie(Sigarg)
-{
-Use_Sigarg;
-sig_die("Trace trap", 1);
-}
-#endif
-
-
-int xargc;
-char **xargv;
-
 #ifdef __cplusplus
 	}
 #endif
@@ -106,27 +52,8 @@ main(argc, argv) int argc; char **argv;
 main(int argc, char **argv)
 #endif
 {
-xargc = argc;
-xargv = argv;
-signal1(SIGFPE, sigfdie);	/* ignore underflow, enable overflow */
-#ifdef SIGIOT
-signal1(SIGIOT, sigidie);
-#endif
-#ifdef SIGTRAP
-signal1(SIGTRAP, sigtrdie);
-#endif
-#ifdef SIGQUIT
-if(signal1(SIGQUIT,sigqdie) == SIG_IGN)
-	signal1(SIGQUIT, SIG_IGN);
-#endif
-if(signal1(SIGINT, sigindie) == SIG_IGN)
-	signal1(SIGINT, SIG_IGN);
-signal1(SIGTERM,sigtdie);
-
-#ifdef pdp11
-	ldfps(01200); /* detect overflow as an exception */
-#endif
-
+f_setarg(argc, argv);
+f_setsig();
 f_init();
 #ifndef NO_ONEXIT
 ONEXIT(f_exit);
diff --git a/libf2c/libF77/setarg.c b/libf2c/libF77/setarg.c
new file mode 100644
index 0000000..929860a
--- /dev/null
+++ b/libf2c/libF77/setarg.c
@@ -0,0 +1,29 @@
+/* Set up the global argc/argv info for use by getarg_, iargc_, and
+   g77's inlined intrinsic equivalents.  */
+
+#ifndef KR_headers
+#undef VOID
+#include <stdlib.h>
+#endif
+
+#ifndef VOID
+#define VOID void
+#endif
+
+int f__xargc;
+char **f__xargv;
+
+#ifdef __cplusplus
+	}
+#endif
+
+ void
+#ifdef KR_headers
+f_setarg(argc, argv) int argc; char **argv;
+#else
+f_setarg(int argc, char **argv)
+#endif
+{
+f__xargc = argc;
+f__xargv = argv;
+}
diff --git a/libf2c/libF77/setsig.c b/libf2c/libF77/setsig.c
new file mode 100644
index 0000000..8fde2fa
--- /dev/null
+++ b/libf2c/libF77/setsig.c
@@ -0,0 +1,101 @@
+/* Set up the signal behavior.  */
+
+#include <stdio.h>
+#include "signal1.h"
+
+#ifndef SIGIOT
+#ifdef SIGABRT
+#define SIGIOT SIGABRT
+#endif
+#endif
+
+#ifndef KR_headers
+#undef VOID
+#include <stdlib.h>
+#endif
+
+#ifndef VOID
+#define VOID void
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef KR_headers
+extern VOID sig_die();
+#define Int /* int */
+#else
+extern void sig_die(char*, int);
+#define Int int
+#endif
+
+static VOID sigfdie(Sigarg)
+{
+Use_Sigarg;
+sig_die("Floating Exception", 1);
+}
+
+
+static VOID sigidie(Sigarg)
+{
+Use_Sigarg;
+sig_die("IOT Trap", 1);
+}
+
+#ifdef SIGQUIT
+static VOID sigqdie(Sigarg)
+{
+Use_Sigarg;
+sig_die("Quit signal", 1);
+}
+#endif
+
+
+static VOID sigindie(Sigarg)
+{
+Use_Sigarg;
+sig_die("Interrupt", 0);
+}
+
+static VOID sigtdie(Sigarg)
+{
+Use_Sigarg;
+sig_die("Killed", 0);
+}
+
+#ifdef SIGTRAP
+static VOID sigtrdie(Sigarg)
+{
+Use_Sigarg;
+sig_die("Trace trap", 1);
+}
+#endif
+
+
+#ifdef __cplusplus
+	}
+#endif
+
+ void
+f_setsig()
+{
+signal1(SIGFPE, sigfdie);	/* ignore underflow, enable overflow */
+#ifdef SIGIOT
+signal1(SIGIOT, sigidie);
+#endif
+#ifdef SIGTRAP
+signal1(SIGTRAP, sigtrdie);
+#endif
+#ifdef SIGQUIT
+if(signal1(SIGQUIT,sigqdie) == SIG_IGN)
+	signal1(SIGQUIT, SIG_IGN);
+#endif
+if(signal1(SIGINT, sigindie) == SIG_IGN)
+	signal1(SIGINT, SIG_IGN);
+signal1(SIGTERM,sigtdie);
+
+#ifdef pdp11
+	ldfps(01200); /* detect overflow as an exception */
+#endif
+}