cleanup for older versions of gcc

peasoup_examples/Makefile

-
-all:
-	cd chopzero_src; make
-	#if [ -d cgc_spri ]; then cd cgc_spri; make; fi
-	$(PEDI_HOME)/pedi -m manifest.txt
-
-clean:
-	cd chopzero_src; make clean
-	cd examples; make clean
-	cd demos; make clean
-	#cd cgc_spri; make clean
-	

peasoup_examples/chopzero_src/Makefile

-
-
-chopzero: chopzero.c
-	gcc chopzero.c -o chopzero -O3 
-
-clean:
-	rm -f chopzero
-

peasoup_examples/chopzero_src/chopzero.c

-#include <stdio.h>
-#include <assert.h>
-
-#define MAXLINE 1000
-
-int main() {
-   char linebuf[MAXLINE];
-   int addr, size;
-
-   while (!feof(stdin)) {
-      int res;
-      char* resp;
-      resp=fgets(linebuf, MAXLINE-1, stdin);
-      assert(resp==NULL || resp==linebuf);
-      res=sscanf(linebuf, "%x %d", &addr, &size);
-      assert(res>=0);
-      if ((size != 0) && (addr != 0)) {
-         fputs(linebuf, stdout);
-      }
-   }
-
-   return 0;
-}
-

peasoup_examples/tools/eh_frame_tools/eh_to_bin.sh

@@ -4,7 +4,13 @@ infile=$1
 addr=$2
 outfile=$3
 
-gcc $infile -nostdlib -Wl,--section-start -Wl,eh_frame_hdr=$addr -Wl,-e -Wl,0x1000  -Wl,--build-id=none -Wl,-T -Wl,${PEASOUP_HOME}/tools/eh_frame_tools/eh_frame.ls -o $outfile -Wl,-Map,$outfile.map -static -no-pie -fno-PIC || exit
+# Try gcc with -no-pie option, but some don't support it
+# so then try normal gcc
+# and if both fail, then we exit with an error code
+
+gcc $infile -nostdlib -Wl,--section-start -Wl,eh_frame_hdr=$addr -Wl,-e -Wl,0x1000  -Wl,--build-id=none -Wl,-T -Wl,${PEASOUP_HOME}/tools/eh_frame_tools/eh_frame.ls -o $outfile -Wl,-Map,$outfile.map -static -no-pie -fno-PIC  || \
+gcc $infile -nostdlib -Wl,--section-start -Wl,eh_frame_hdr=$addr -Wl,-e -Wl,0x1000  -Wl,--build-id=none -Wl,-T -Wl,${PEASOUP_HOME}/tools/eh_frame_tools/eh_frame.ls -o $outfile -Wl,-Map,$outfile.map -static  || \
+exit 1
 #eu-readelf -S ./a.out
 objcopy --rename-section eh_frame_hdr=.eh_frame_hdr --rename-section eh_frame=.eh_frame --rename-section gcc_except_table=.gcc_except_table $outfile
 #eu-readelf -S -w ./b.out