2 * Parses RPM spec file into Makefile fragment. See
4 * http://fedora.redhat.com/docs/drafts/rpm-guide-en/ch-programming-c.html
6 * Mark Huang <mlhuang@cs.princeton.edu>
7 * Copyright (C) 2006 The Trustees of Princeton University
16 #include <rpm/rpmlib.h>
17 #include <rpm/rpmts.h>
18 #include <rpm/rpmcli.h>
19 #include <rpm/rpmbuild.h>
20 #include <rpm/rpmspec.h>
22 /* from f10 and up, Spec is renamed rpmSpec */
28 #include <linux/limits.h>
31 extern size_t strnlen(const char *s, size_t maxlen);
33 /* the structure describing the options we take and the defaults */
34 static struct poptOption optionsTable[] = {
35 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmBuildPoptTable, 0,
36 "Build options with [ <specfile> | <tarball> | <source package> ]:",
39 { NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmcliAllPoptTable, 0,
40 "Common options for all rpm modes and executables:",
48 /* Stolen from rpm/build/spec.c:rpmspecQuery() */
50 rpmspecGet(rpmts ts, const char * arg)
52 char * buildRoot = NULL;
54 char * passPhrase = "";
59 if (parseSpec(ts, arg, "/", buildRoot, recursing, passPhrase,
60 cookie, anyarch, force)) {
61 fprintf(stderr, "query of specfile %s failed, can't parse\n", arg);
69 main(int argc, char *argv[])
75 struct Source *source;
77 const char *name, *version, *release, *arch, *unused;
78 const char *package_name;
80 /* BEGIN: support to pull out --target from the args list */
84 int tlen = strlen("--target");
87 /* walk argv list looking for --target */
88 while ((args+1)<argc) {
89 if(strncmp(argv[args],"--target",tlen)==0){
92 /* get arch component of the --target option */
93 dash = (char**)strchr(argv[args+1],'-');
94 if (dash != NULL) *dash=NULL;
96 /* copy arch component of --target option to target */
97 alen = strnlen(argv[args+1],32);
98 target = (char*)malloc(alen+1);
99 if (target == NULL) return errno;
100 strncpy(target,argv[args+1],alen);
103 /* change argc, argv to take out the "--target xxx" */
104 for (i=args;i<argc;i++) argv[i]=argv[i+2];
111 argv[1]=argv[argc-2];
112 argv[2]=argv[argc-1];
115 /* END: support to pull out --target from the args list */
117 /* Parse common options for all rpm modes and executables */
118 context = rpmcliInit(argc, argv, optionsTable);
120 /* Create transaction state */
123 /* Parse spec file. The rpmcli functions don't allow you to
124 * access the Spec structure directly, so we call our own
125 * version of rpmSpecQuery() directly. */
126 spec = rpmspecGet(ts, argv[1]);
127 package_name = argv[2];
134 for (source = spec->sources; source; source = source->next) {
135 char fullSource[PATH_MAX];
137 strncpy(fullSource, source->fullSource, sizeof(fullSource));
138 printf("%s.tarballs += SOURCES/%s\n", package_name, basename(fullSource));
139 /* computes the SOURCEDIR variable by removing .tar.gz or .tar.bz2 */
141 char *suffixes[] = {".tar.gz",".tgz",".tar.bz2", NULL};
145 for (suffix=suffixes ; *suffix ; suffix++) {
146 printf("# trying %s\n",*suffix);
147 suffix_index=strstr(fullSource,*suffix);
149 char sourcename[PATH_MAX];
150 size_t len = (size_t)(suffix_index-fullSource);
151 strncpy(sourcename,fullSource,len);
152 sourcename[len]='\0';
153 printf ("%s.source := SOURCES/%s\n",package_name,basename(sourcename));
161 /* Get SRPM name from name of first package */
162 pkg = spec->packages;
163 name = version = release = NULL;
164 (void) headerNVR(pkg->header, &name, &version, &release);
165 if (name && version && release)
166 printf("%s.srpm := SRPMS/%s-%s-%s.src.rpm\n",
167 package_name, name, version, release);
169 /* Print non-empty packages */
170 for (pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
171 name = version = release = arch = NULL;
172 (void) headerNEVRA(pkg->header, &name, &unused, &version, &release, &arch);
173 if (name && version && release && arch) {
174 if (target != NULL) {
175 if (strcmp(arch,target)!=0) {
179 /* skip empty packages */
181 /* attach (add) rpm path to package */
182 printf("%s.rpms += RPMS/%s/%s-%s-%s.%s.rpm\n",
183 package_name, arch, name, version, release, arch);
185 printf("%s.rpmnames += %s\n",
187 /* attach path to rpm name */
188 printf("%s.rpm-path := RPMS/%s/%s-%s-%s.%s.rpm\n",
189 name,arch, name, version, release, arch);
190 /* attach package to rpm name for backward resolution - should be unique */
191 printf("%s.package := %s\n",
197 /* export some macros to make */
198 /* note : this relies on pl-specific conventions and might be wrong */
200 char *macros[] = { "release" , "name" , "version" , "taglevel" , NULL } ;
202 char *macro=malloc(32);
203 for (nav=macros; *nav; nav++) {
204 sprintf(macro,"%%{%s}",*nav);
205 char *value = rpmExpand(macro,NULL);
206 printf ("%s.rpm-%s := %s\n",package_name,*nav,value);
211 printf ("%s.rpm-arch := %s\n",package_name,target);
213 spec = freeSpec(spec);
217 context = rpmcliFini(context);