git.ozlabs.org Git - ccan/blob - tools/ccanlint/compulsory_tests/depends_build.c

   1 #include <tools/ccanlint/ccanlint.h>
   2 #include <tools/tools.h>
   3 #include <ccan/talloc/talloc.h>
   4 #include <ccan/str/str.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <fcntl.h>
   8 #include <unistd.h>
   9 #include <limits.h>
  10 #include <errno.h>
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13 #include <err.h>
  14 #include <string.h>
  15 #include <ctype.h>
  16 #include "build.h"
  17
  18 static const char *can_build(struct manifest *m)
  19 {
  20         if (safe_mode)
  21                 return "Safe mode enabled";
  22         return NULL;
  23 }
  24
  25 static bool expect_obj_file(struct manifest *m)
  26 {
  27         /* If it has C files, we expect an object file built from them. */
  28         return !list_empty(&m->c_files);
  29 }
  30
  31 static char *build_subdir_objs(struct manifest *m)
  32 {
  33         struct ccan_file *i;
  34
  35         list_for_each(&m->c_files, i, list) {
  36                 char *fullfile = talloc_asprintf(m, "%s/%s", m->dir, i->name);
  37                 char *output;
  38
  39                 i->compiled = maybe_temp_file(m, "", false, fullfile);
  40                 if (!compile_object(m, fullfile, ccan_dir, compiler, cflags,
  41                                     i->compiled, &output)) {
  42                         talloc_free(i->compiled);
  43                         i->compiled = NULL;
  44                         return talloc_asprintf(m,
  45                                                "Dependency %s"
  46                                                " did not build:\n%s",
  47                                                m->basename, output);
  48                 }
  49         }
  50         return NULL;
  51 }
  52
  53 char *build_submodule(struct manifest *m)
  54 {
  55         char *errstr;
  56         struct stat st;
  57
  58         if (m->compiled)
  59                 return NULL;
  60
  61         if (!expect_obj_file(m))
  62                 return NULL;
  63
  64         m->compiled = talloc_asprintf(m, "%s.o", m->dir);
  65         if (stat(m->compiled, &st) == 0)
  66                 return NULL;
  67
  68         if (verbose >= 2)
  69                 printf("  Building dependency %s\n", m->dir);
  70
  71         errstr = build_subdir_objs(m);
  72         if (errstr)
  73                 return errstr;
  74
  75         m->compiled = build_module(m, false, &errstr);
  76         if (!m->compiled)
  77                 return errstr;
  78         return NULL;
  79 }
  80
  81 static void check_depends_built(struct manifest *m,
  82                                 bool keep,
  83                                 unsigned int *timeleft, struct score *score)
  84 {
  85         struct manifest *i;
  86
  87         list_for_each(&m->deps, i, list) {
  88                 char *errstr = build_submodule(i);
  89
  90                 if (errstr) {
  91                         score->error = talloc_asprintf(score,
  92                                                        "Dependency %s"
  93                                                        " did not build:\n%s",
  94                                                        i->basename, errstr);
  95                         return;
  96                 }
  97         }
  98
  99         score->pass = true;
 100         score->score = score->total;
 101 }
 102
 103 struct ccanlint depends_build = {
 104         .key = "depends_build",
 105         .name = "Module's CCAN dependencies can be found or built",
 106         .check = check_depends_built,
 107         .can_run = can_build,
 108         .needs = "depends_exist"
 109 };
 110
 111 REGISTER_TEST(depends_build);