clang support

Makefile

@@ -1,6 +1,5 @@
 LIBS:=ncurses readline
 
-CC:=gcc
 CFLAGS += $(if $(SAN),-fsanitize=${SAN})
 CPPFLAGS:=-I config/ ${shell pkg-config --cflags ${LIBS}}
 LDLIBS=${shell pkg-config --libs ${LIBS}}

source/find.c

@@ -990,7 +990,7 @@ char *findcalledby(const char *pattern) {
 				case FCNDEF:
 					if(dbseek(p->lineoffset) != -1 &&
 						scanpast('\t') != NULL) { /* skip def */
-						found_caller = 0x01;
+						found_caller = (char*)0x01;
 						findcalledbysub(srcfiles[p->fileindex], macro);
 					}
 			}
@@ -1018,7 +1018,7 @@ char *findcalledby(const char *pattern) {
 			case FCNDEF:
 				skiprefchar(); /* match name to pattern */
 				if(match()) {
-					found_caller = 0x01;
+					found_caller = (char*)0x01;
 					findcalledbysub(file, macro);
 				}
 				break;

source/input.c

@@ -36,6 +36,7 @@
  */
 
 #include "global.h"
+#include "build.h"
 #include <ncurses.h>
 #include <setjmp.h> /* jmp_buf */
 #include <stdlib.h>