ccanlint: only compile _info once; speeds tdb test from 18 to 16 seconds.

[ccan] / tools / compile.c

diff --git a/tools/compile.c b/tools/compile.c
new file mode 100644 (file)
index 0000000..5ec4122
--- /dev/null
+++ b/tools/compile.c
@@ -0,0 +1,32 @@
+#include "tools.h"
+#include <ccan/talloc/talloc.h>
+#include <stdlib.h>
+
+/* Compile multiple object files into a single.  Returns errmsg if fails. */
+char *link_objects(const void *ctx, const char *outfile, const char *objs)
+{
+       return run_command(ctx, "cc " CFLAGS " -c -o %s %s", outfile, objs);
+}
+
+/* Compile a single C file to an object file.  Returns errmsg if fails. */
+char *compile_object(const void *ctx, const char *outfile, const char *cfile)
+{
+       return run_command(ctx, "cc " CFLAGS " -c -o %s %s", outfile, cfile);
+}
+
+/* Compile and link single C file, with object files.
+ * Returns name of result, or NULL (and fills in errmsg). */
+char *compile_and_link(const void *ctx, const char *cfile, const char *objs,
+                      const char *extra_cflags, const char *libs,
+                      char **errmsg)
+{
+       char *file = temp_file(ctx, "");
+
+       *errmsg = run_command(ctx, "cc " CFLAGS " %s -o %s %s %s %s",
+                             extra_cflags, file, cfile, objs, libs);
+       if (*errmsg) {
+               talloc_free(file);
+               return NULL;
+       }
+       return file;
+}