ccanlint: --compiler and --cflags options.

diff --git a/tools/ccanlint/ccanlint.c b/tools/ccanlint/ccanlint.c
index 231ae7c05c45e0b1050b834b096b48ddb634f23d..b8dd467a18e78e76891dd2143962084cb1bde8a5 100644 (file)
--- a/tools/ccanlint/ccanlint.c
+++ b/tools/ccanlint/ccanlint.c
@@ -43,8 +43,8 @@ static struct btree *info_exclude;
 static unsigned int timeout;
 
 /* These are overridden at runtime if we can find config.h */
-const char *compiler = CCAN_COMPILER;
-const char *cflags = CCAN_CFLAGS;
+char *compiler = NULL;
+char *cflags = NULL;
 
 const char *config_header;
 
@@ -552,20 +552,28 @@ static void read_config_header(void)
                if (!get_token(line, "define"))
                        continue;
                sym = get_symbol_token(lines, line);
-               if (streq(sym, "CCAN_COMPILER")) {
+               if (streq(sym, "CCAN_COMPILER") && !compiler) {
                        compiler = demangle_string(lines[i]);
+                       if (!compiler)
+                               errx(1, "%s:%u:could not parse CCAN_COMPILER",
+                                    fname, i+1);
                        if (verbose > 1)
                                printf("%s: compiler set to '%s'\n",
                                       fname, compiler);
-               } else if (streq(sym, "CCAN_CFLAGS")) {
+               } else if (streq(sym, "CCAN_CFLAGS") && !cflags) {
                        cflags = demangle_string(lines[i]);
+                       if (!cflags)
+                               errx(1, "%s:%u:could not parse CCAN_CFLAGS",
+                                    fname, i+1);
                        if (verbose > 1)
                                printf("%s: compiler flags set to '%s'\n",
                                       fname, cflags);
                }
        }
-       if (!compiler || !cflags)
-               errx(1, "Problem parsing %s", fname);
+       if (!compiler)
+               compiler = CCAN_COMPILER;
+       if (!cflags)
+               compiler = CCAN_CFLAGS;
 }
 
 int main(int argc, char *argv[])
@@ -605,6 +613,10 @@ int main(int argc, char *argv[])
        opt_register_arg("--target <testname>", opt_set_charp,
                         NULL, &target,
                         "only run one test (and its prerequisites)");
+       opt_register_arg("--compiler <compiler>", opt_set_charp,
+                        NULL, &compiler, "set the compiler");
+       opt_register_arg("--cflags <flags>", opt_set_charp,
+                        NULL, &cflags, "set the compiler flags");
        opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
                           "\nA program for checking and guiding development"
                           " of CCAN modules.",

diff --git a/tools/ccanlint/ccanlint.h b/tools/ccanlint/ccanlint.h
index 33db1257eb126bbf9f59299175af05f13c5edaf6..0c73716a714cfeafe80b0337490802dd610d73cc 100644 (file)
--- a/tools/ccanlint/ccanlint.h
+++ b/tools/ccanlint/ccanlint.h
@@ -222,7 +222,7 @@ extern bool safe_mode;
 extern const char *ccan_dir;
 
 /* Compiler and CFLAGS, from config.h if available. */
-extern const char *compiler, *cflags;
+extern char *compiler, *cflags;
 
 /* Contents of config.h (or NULL if not found) */
 extern const char *config_header;