make: look for PDPmakefile

As an extension have pdpmake look for the file 'PDPmakefile' before
'makefile' and 'Makefile'.  This is similar to how GNU make first
checks for 'GNUmakefile'.

Adds 32-40 bytes.

1 files changed, 9 insertions, 10 deletions

diff --git a/miscutils/make.c b/miscutils/make.c
index 8d953f9fc..868cab5e2 100644
--- a/miscutils/make.c
+++ b/miscutils/make.c
@@ -3122,7 +3122,6 @@ int make_main(int argc UNUSED_PARAM, char **argv)
 #if ENABLE_FEATURE_MAKE_POSIX
         const char *prag;
 #endif
-        char def_make[] = "makefile";
         int estat;
         bool found_target;
         FILE *ifd;
@@ -3247,17 +3246,17 @@ int make_main(int argc UNUSED_PARAM, char **argv)
         free((void *)newpath);
 
         if (!makefiles) {       // Look for a default Makefile
+                if (!posix && (ifd = fopen("PDPmakefile", "r")) != NULL)
+                        makefile = "PDPmakefile";
+                else if ((ifd = fopen("PDPmakefile" + 3, "r")) != NULL)
+                        makefile = "PDPmakefile" + 3;
 #if !ENABLE_PLATFORM_MINGW32
-                for (; def_make[0] >= 'M'; def_make[0] -= 0x20) {
-#else
-                {
+                else if ((ifd = fopen("Makefile", "r")) != NULL)
+                        makefile = "Makefile";
 #endif
-                        if ((ifd = fopen(def_make, "r")) != NULL) {
-                                makefile = def_make;
-                                goto read_makefile;
-                        }
-                }
-                error("no makefile found");
+                else
+                        error("no makefile found");
+       goto read_makefile;
         }
 
         while ((file = llist_pop(&makefiles))) {