X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Ftools.h;h=d39f01977683ef605798da2a7c6fdb40ed907a9c;hp=9bc7e1fcfda7e2f1148d0db40f545ecb3d5a362f;hb=d2a4d6b49bc260bd0979965f4e4ef62b40b19efe;hpb=63bceea014e091a2f2907e49f7c3b33f042106f4

diff --git a/tools/tools.h b/tools/tools.h
index 9bc7e1fc..d39f0197 100644
--- a/tools/tools.h
+++ b/tools/tools.h
@@ -1,6 +1,15 @@
 #ifndef CCAN_TOOLS_H
 #define CCAN_TOOLS_H
 #include <stdbool.h>
+#include <ccan/compiler/compiler.h>
+#include "config.h"
+
+#ifndef CCAN_COMPILER
+#define CCAN_COMPILER "cc"
+#endif
+#ifndef CCAN_CFLAGS
+#define CCAN_CFLAGS "-g -Wall -Wundef -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes -Wold-style-definition -Werror"
+#endif
 
 #define IDENT_CHARS	"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
 			"abcdefghijklmnopqrstuvwxyz" \
@@ -8,9 +17,6 @@
 
 #define SPACE_CHARS	" \f\n\r\t\v"
 
-/* FIXME: Nested functions break with -Wmissing-prototypes -Wmissing-declarations */
-#define CFLAGS "-g -Wall -Wundef -Wstrict-prototypes -Wold-style-definition -Werror"
-
 #define COVERAGE_CFLAGS "-fprofile-arcs -ftest-coverage"
 
 /* This actually compiles and runs the info file to get dependencies. */
@@ -31,7 +37,10 @@ extern bool tools_verbose;
 char *talloc_basename(const void *ctx, const char *dir);
 char *talloc_dirname(const void *ctx, const char *dir);
 char *talloc_getcwd(const void *ctx);
-char *run_command(const void *ctx, unsigned int *time_ms, const char *fmt, ...);
+bool PRINTF_FMT(4,5) run_command(const void *ctx,
+				 unsigned int *time_ms,
+				 char **output,
+				 const char *fmt, ...);
 char *run_with_timeout(const void *ctx, const char *cmd,
 		       bool *ok, unsigned *timeout_ms);
 char *temp_dir(const void *ctx);
@@ -47,15 +56,14 @@ extern bool compile_verbose;
 /* Compile multiple object files into a single. */
 char *link_objects(const void *ctx, const char *basename, bool in_pwd,
 		   const char *objs, char **errmsg);
-/* Compile a single C file to an object file.  Returns errmsg if fails. */
-char *compile_object(const void *ctx, const char *cfile, const char *ccandir,
-		     const char *extra_cflags,
-		     const char *outfile);
-/* Compile and link single C file, with object files, libs, etc.  NULL on
- * success, error output on fail. */
-char *compile_and_link(const void *ctx, const char *cfile, const char *ccandir,
-		       const char *objs, const char *extra_cflags,
-		       const char *libs, const char *outfile);
+/* Compile a single C file to an object file.  Returns false if fails. */
+bool compile_object(const void *ctx, const char *cfile, const char *ccandir,
+		    const char *extra_cflags,
+		    const char *outfile, char **output);
+/* Compile and link single C file, with object files, libs, etc. */
+bool compile_and_link(const void *ctx, const char *cfile, const char *ccandir,
+		      const char *objs, const char *extra_cflags,
+		      const char *libs, const char *outfile, char **output);
 
 /* If in_pwd is false, return a file int temp_dir, otherwise a local file. */
 char *maybe_temp_file(const void *ctx, const char *extension, bool in_pwd,