Avoid multithreaded make where that doesn't work

Fix build on Apple silicon

.github/workflows/build.yml

@@ -11,7 +11,7 @@ env:
   IS_DEPLOY: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
 
 jobs:
-  build:
+  build-linux:
     runs-on: ubuntu-latest
     steps:
 
@@ -47,9 +47,24 @@ jobs:
           name: agbcc.tar.gz
           path: agbcc.tar.gz
 
+  build-macos:
+    runs-on: macos-latest
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@main
+
+      - name: Install deps
+        run: |
+          brew install arm-none-eabi-binutils
+          brew install arm-none-eabi-gcc
+
+      - name: Compile
+        run: sh build.sh
+
   deploy:
     runs-on: ubuntu-latest
-    needs: build
+    needs: build-linux
     if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
     permissions:
       contents: write

build.sh

@@ -12,10 +12,10 @@ fi
 if [ ! -z "$CC" ]; then CCOPT=CC=$CC; fi
 if [ ! -z "$CXX" ]; then CXXOPT=CXX=$CXX; fi
 make -C gcc clean
-make -C gcc old $CCOPT $CXXOPT
+make -C gcc old -j1 $CCOPT $CXXOPT
 mv gcc/old_agbcc .
 make -C gcc clean
-make -C gcc $CCOPT $CXXOPT
+make -C gcc -j1 $CCOPT $CXXOPT
 mv gcc/agbcc .
 # not sure if the ARM compiler is the old one or the new one (-DOLD_COMPILER)
 rm -f gcc_arm/config.status gcc_arm/config.cache

gcc/Makefile

@@ -24,7 +24,7 @@ VPATH = $(srcdir)
 
 CC = gcc
 
-BASE_CFLAGS = -g -std=gnu11 -Werror-implicit-function-declaration
+BASE_CFLAGS = -g -std=gnu11 -Werror-implicit-function-declaration -Wno-error=incompatible-pointer-types
 
 INCLUDES = -I. -I$(srcdir)
 

gcc/c-typeck.c

@@ -3133,7 +3133,7 @@ build_unary_op (code, xarg, noconvert)
       return fold (build1 (code, argtype, arg));
     }
 
-  error (errstring);
+  error ("%s", errstring);
   return error_mark_node;
 }
 

gcc/real.c

@@ -4042,8 +4042,6 @@ mtherr (name, code)
      char *name;
      int code;
 {
-  char errstr[80];
-
   /* The string passed by the calling program is supposed to be the
      name of the function in which the error occurred.
      The code argument selects which error message string will be printed.  */
@@ -4066,9 +4064,8 @@ mtherr (name, code)
     name = "modulus";
   else if (strcmp (name, "esqrt") == 0)
     name = "square root";
-  sprintf (errstr, "%s during real %s", ermsg[code], name);
   if (extra_warnings)
-    warning (errstr);
+    warning ("%s during real %s", ermsg[code], name);
   /* Set global error message word */
   merror = code + 1;
 }

gcc/toplev.c

@@ -1061,7 +1061,7 @@ fatal_io_error(char *name)
 void
 fatal_insn(char *message, rtx insn)
 {
-    error(message);
+    error("%s", message);
     debug_rtx(insn);
     if (asm_out_file)
         fflush(asm_out_file);

gcc_arm/Makefile.in

@@ -64,7 +64,7 @@ ALLOCA_FINISH = true
 XCFLAGS =
 TCFLAGS =
 # CYGNUS LOCAL nowarnings/law
-CFLAGS = -g -Werror-implicit-function-declaration
+CFLAGS = -g -Werror-implicit-function-declaration -Wno-error=incompatible-pointer-types -std=gnu11
 BOOT_CFLAGS = -O2 $(CFLAGS)
 WARN_CFLAGS =
 # END CYGNUS LOCAL

gcc_arm/c-common.c

@@ -1587,7 +1587,7 @@ check_format_info (info, params)
 	      ++format_chars;
 	      if (params == 0)
 		{
-		  warning (tfaff);
+		  warning ("%s", tfaff);
 		  return;
 		}
 	      if (info->first_arg_num != 0)
@@ -1630,7 +1630,7 @@ check_format_info (info, params)
 		      ++format_chars;
 		      if (params == 0)
 		        {
-			  warning (tfaff);
+			  warning ("%s", tfaff);
 			  return;
 			}
 		      cur_param = TREE_VALUE (params);
@@ -1825,7 +1825,7 @@ check_format_info (info, params)
 	continue;
       if (params == 0)
 	{
-	  warning (tfaff);
+	  warning ("%s", tfaff);
 	  return;
 	}
       cur_param = TREE_VALUE (params);

gcc_arm/c-typeck.c

@@ -3147,7 +3147,7 @@ build_unary_op (code, xarg, noconvert)
       return fold (build1 (code, argtype, arg));
     }
 
-  error (errstring);
+  error ("%s", errstring);
   return error_mark_node;
 }
 

gcc_arm/cccp.c

@@ -8676,7 +8676,7 @@ macroexpand (hp, op)
       else
 	parse_error = macarg (NULL_PTR, 0);
       if (parse_error) {
-	error_with_line (line_for_error (start_line), parse_error);
+	error_with_line (line_for_error (start_line), "%s", parse_error);
 	break;
       }
       i++;

gcc_arm/configure

@@ -1138,7 +1138,7 @@ cat > conftest.$ac_ext << EOF
 #line 1139 "configure"
 #include "confdefs.h"
 
-main(){return(0);}
+int main(){return(0);}
 EOF
 if { (eval echo configure:1144: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes

gcc_arm/real.c

@@ -5703,8 +5703,6 @@ mtherr (name, code)
      char *name;
      int code;
 {
-  char errstr[80];
-
   /* The string passed by the calling program is supposed to be the
      name of the function in which the error occurred.
      The code argument selects which error message string will be printed.  */
@@ -5727,9 +5725,8 @@ mtherr (name, code)
     name = "modulus";
   else if (strcmp (name, "esqrt") == 0)
     name = "square root";
-  sprintf (errstr, "%s during real %s", ermsg[code], name);
   if (extra_warnings)
-    warning (errstr);
+    warning ("%s during real %s", ermsg[code], name);
   /* Set global error message word */
   merror = code + 1;
 }

gcc_arm/toplev.c

@@ -1393,7 +1393,7 @@ fatal_insn (message, insn)
      char *message;
      rtx insn;
 {
-  error (message);
+  error ("%s", message);
   debug_rtx (insn);
   if (asm_out_file)
     fflush (asm_out_file);

libc/Makefile

@@ -15,7 +15,7 @@ export AR := $(PREFIX)ar
 export AS := $(PREFIX)as
 endif
 
-SHELL := /bin/bash -o pipefail
+SHELL := bash -o pipefail
 
 ASFLAGS := -mcpu=arm7tdmi