ccanlint: Add cflags support to _info

[ccan] / tools / depends.c

diff --git a/tools/depends.c b/tools/depends.c
index dde2b3ae3673eef0094ae85c3fd8187a2d0dc78a..871a3e8712368a649dc3d2d478e696087496bd57 100644 (file)
--- a/tools/depends.c
+++ b/tools/depends.c
@@ -228,12 +228,12 @@ get_all_deps(const void *ctx, const char *dir, const char *style,
 }
 
 /* Can return NULL: _info may not support 'libs'. */
-static char **get_one_libs(const void *ctx, const char *dir,
+static char **get_one_prop(const void *ctx, const char *dir, const char *prop,
                           char *(*get_info)(const void *ctx, const char *dir))
 {
        char *cmd, **lines;
 
-       cmd = tal_fmt(ctx, "%s libs", get_info(ctx, dir));
+       cmd = tal_fmt(ctx, "%s %s", get_info(ctx, dir), prop);
        lines = lines_from_cmd(cmd, "%s", cmd);
        /* Strip final NULL. */
        if (lines)
@@ -241,6 +241,18 @@ static char **get_one_libs(const void *ctx, const char *dir,
        return lines;
 }
 
+static char **get_one_libs(const void *ctx, const char *dir,
+                          char *(*get_info)(const void *ctx, const char *dir))
+{
+       return get_one_prop(ctx, dir, "libs", get_info);
+}
+
+static char **get_one_cflags(const void *ctx, const char *dir,
+                          char *(*get_info)(const void *ctx, const char *dir))
+{
+       return get_one_prop(ctx, dir, "cflags", get_info);
+}
+
 /* O(n^2) but n is small. */
 static char **add_deps(char **deps1, char **deps2)
 {
@@ -258,6 +270,18 @@ static char **add_deps(char **deps1, char **deps2)
        return deps1;
 }
 
+char **get_cflags(const void *ctx, const char *dir,
+        char *(*get_info)(const void *ctx, const char *dir))
+{
+       char **flags;
+       unsigned int len;
+       flags = get_one_cflags(ctx, dir, get_info);
+       len = tal_count(flags);
+       tal_resize(&flags, len + 1);
+       flags[len] = NULL;
+       return flags;
+}
+
 char **get_libs(const void *ctx, const char *dir, const char *style,
                char *(*get_info)(const void *ctx, const char *dir))
 {