scc

commit ae95ee0a924a2be58604ed5d422c0ae8519789c2
parent 2fffade4b692dbdfb1208ace946645f4120c1c45
Author: Quentin Rameau <quinq@fifth.space>
Date:   Wed, 21 Feb 2018 18:00:16 +0100

Let the user configure system crts

Diffstat:
M
driver/posix/Makefile
 | 
1
+
M
driver/posix/scc.c
 | 
6
++++++
M
inc/Makefile
 | 
8
+++++++-
A
inc/syscrts.def.h
 | 
5
+++++

4 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/driver/posix/Makefile b/driver/posix/Makefile
@@ -9,6 +9,7 @@ OBJ = scc.o
 HDR = config.h \
       $(PROJECTDIR)/inc/scc.h \
       $(PROJECTDIR)/inc/arg.h \
+      $(PROJECTDIR)/inc/syscrts.h \
       $(PROJECTDIR)/inc/sysincludes.h \
       $(PROJECTDIR)/inc/syslibs.h \
       $(PROJECTDIR)/inc/ldflags.h
diff --git a/driver/posix/scc.c b/driver/posix/scc.c
@@ -16,6 +16,7 @@ static char sccsid[] = "@(#) ./driver/posix/scc.c";
 #include "config.h"
 #include "../../inc/arg.h"
 #include "../../inc/scc.h"
+#include "../../inc/syscrts.h"
 #include "../../inc/sysincludes.h"
 #include "../../inc/syslibs.h"
 #include "../../inc/ldflags.h"
@@ -144,6 +145,11 @@ inittool(int tool)
 			addarg(tool, "-L");
 			addarg(tool, syslibs[n]);
 		}
+		if (syscrts[0]) {
+			for (n = 0; syscrts[n]; ++n)
+				addarg(tool, syscrts[n]);
+			break;
+		}
 		n = snprintf(NULL, 0,
 		             "%s/lib/scc/crt/%s-%s-%s/crt.o",
 		             prefix, arch, abi, sys);
diff --git a/inc/Makefile b/inc/Makefile
@@ -4,7 +4,7 @@ PROJECTDIR = ..
 
 include $(PROJECTDIR)/rules.mk
 
-HDR = ldflags.h sysincludes.h syslibs.h
+HDR = ldflags.h syscrts.h sysincludes.h syslibs.h
 
 all:
 
@@ -16,6 +16,12 @@ ldflags.h:
 	cat < ldflags.def.h > $$$$.h; \
 	mv $$$$.h $@
 
+syscrts.h:
+	rm -f $@ ; \
+	trap "rm -f $$$$.h" 0 2 3; \
+	sed 's,PREFIX,"$(PREFIX)",g' < syscrts.def.h > $$$$.h && \
+	mv $$$$.h $@
+
 sysincludes.h:
 	rm -f $@ ; \
 	trap "rm -f $$$$.h" 0 2 3; \
diff --git a/inc/syscrts.def.h b/inc/syscrts.def.h
@@ -0,0 +1,5 @@
+char *syscrts[] = {
+	/* configure below your system crts */
+	/* PREFIX "/lib/scc/crt0.o", */
+	NULL
+};