main: add support for --variable

pull/1/merge
William Pitcock 2011-07-25 18:17:28 -05:00
parent 8100eb84f0
commit e8a944f41d
1 changed files with 18 additions and 0 deletions

18
main.c
View File

@ -36,6 +36,7 @@ static int want_modversion = 0;
static int maximum_traverse_depth = -1;
static char *required_pkgconfig_version = NULL;
static char *want_variable = NULL;
static void
print_cflags(pkg_t *pkg, void *unused)
@ -58,6 +59,16 @@ print_modversion(pkg_t *pkg, void *unused)
printf("%s\n", pkg->version);
}
static void
print_variable(pkg_t *pkg, void *unused)
{
char *variable;
variable = tuple_find(pkg->vars, want_variable);
if (variable != NULL)
printf("%s ", variable);
}
typedef struct pkg_queue_ {
struct pkg_queue_ *prev, *next;
const char *package;
@ -125,6 +136,12 @@ pkg_queue_walk(pkg_queue_t *head)
pkg_traverse(&world, print_libs, NULL, maximum_traverse_depth);
}
if (want_variable)
{
wanted_something++;
pkg_traverse(&world, print_variable, NULL, 2);
}
if (wanted_something)
printf("\n");
@ -167,6 +184,7 @@ main(int argc, const char *argv[])
{ "libs", 0, POPT_ARG_NONE, &want_libs, 0, "output all linker flags" },
{ "cflags", 0, POPT_ARG_NONE, &want_cflags, 0, "output all compiler flags" },
{ "modversion", 0, POPT_ARG_NONE, &want_modversion, 0, "output package version" },
{ "variable", 0, POPT_ARG_STRING, &want_variable, 0, "get the value of the specified variable" },
{ "exists", 0, POPT_ARG_NONE, NULL, 0, "return 0 if all packages present" },
{ "print-errors", 0, POPT_ARG_NONE, NULL, 0, "dummy option for pkg-config compatibility" },
{ "short-errors", 0, POPT_ARG_NONE, NULL, 0, "dummy option for pkg-config compatibility" },