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gitBOM support via environment variable GITBOM_BUILD_MODE #4

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gitBOM support via environment variable GITBOM_BUILD_MODE #4

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11 changes: 11 additions & 0 deletions gcc-11.3.0/gcc/c-family/c-opts.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1284,6 +1284,17 @@ c_common_finish (void)
with cpp_destroy (). */
cpp_finish (parse_in, deps_stream);

const char *gitbom_mode = getenv("GITBOM_BUILD_MODE");
// may not need to call getenv, simply checking parse_in->gitbom_deps is not NULL.
// but anyway, parse_in->gitbom_deps is checked in the deps_write_gitbom_file() function.
if (gitbom_mode && strcmp(this_input_filename, "/dev/null") && strcmp(out_fname, "/dev/null")) {
char gitbom_file[PATH_MAX];
// need to include ppid, to avoid conflicts when the same .c file is compiled to multiple .o files
sprintf(gitbom_file, "%s.pid%d.gitbom_deps", this_input_filename, getppid()); // assume the input_file dir is writable
//printf("after cpp_finish, writing to %s, the gitbom_deps of out_fname: %s input_file: %s\n", gitbom_file, out_fname, this_input_filename);
deps_write_gitbom_file(parse_in, gitbom_file);
}

if (deps_stream && deps_stream != out_stream && deps_stream != stdout
&& (ferror (deps_stream) || fclose (deps_stream)))
fatal_error (input_location, "closing dependency file %s: %m", deps_file);
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