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utils: refactor getopt into utils namespace (#9796)

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On certain linux, macOS environment, there is already a system
getopt. This often creates conflict when compiling filament.
Here we alias utils::getopt to either the system getopt (if
present) or third_party/getopt.

Fixes #7551
This commit is contained in:
Powei Feng
2026-03-13 17:22:44 -07:00
committed by GitHub
parent 497a1cc42d
commit 749b03ed2a
68 changed files with 716 additions and 654 deletions
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38
samples/frame_generator.cpp
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@@ -68,7 +68,7 @@
#include <math/vec3.h>
#include <math/vec4.h>
#include <getopt/getopt.h>
#include <utils/getopt.h>
#include <algorithm>
#include <atomic>
@@ -151,7 +151,7 @@ static void printUsage(char* name) {
" Prints this message\n\n"
"API_USAGE"
" --ibl=<path to cmgen IBL>, -i <path>\n"
" Applies an IBL generated by cmgen's deploy option\n\n"
" Applies an IBL generated by cmgen's deploy utils::getopt::option\n\n"
" --scale=[number], -s [number]\n"
" Applies uniform scale\n\n"
" --material=<path>, -m <path>\n"
@@ -186,25 +186,25 @@ static void printUsage(char* name) {
// Parses command line arguments and populates the Config object.
static int handleCommandLineArguments(int argc, char* argv[], Config* config) {
static constexpr const char* OPTSTR = "ha:s:li:m:c:p:x:yb:S:";
static const struct option OPTIONS[] = {
{ "help", no_argument, nullptr, 'h' },
{ "api", required_argument, nullptr, 'a' },
{ "ibl", required_argument, nullptr, 'i' },
{ "scale", required_argument, nullptr, 's' },
{ "material", required_argument, nullptr, 'm' },
{ "params", required_argument, nullptr, 'p' },
{ "count", required_argument, nullptr, 'c' },
{ "light-on", no_argument, nullptr, 'l' },
{ "skybox-off", no_argument, nullptr, 'y' },
{ "prefix", required_argument, nullptr, 'x' },
{ "clear-color", required_argument, nullptr, 'b' },
{ "size", required_argument, nullptr, 'S' },
{ nullptr, 0, nullptr, 0 } // termination of the option list
static const utils::getopt::option OPTIONS[] = {
{ "help", utils::getopt::no_argument, nullptr, 'h' },
{ "api", utils::getopt::required_argument, nullptr, 'a' },
{ "ibl", utils::getopt::required_argument, nullptr, 'i' },
{ "scale", utils::getopt::required_argument, nullptr, 's' },
{ "material", utils::getopt::required_argument, nullptr, 'm' },
{ "params", utils::getopt::required_argument, nullptr, 'p' },
{ "count", utils::getopt::required_argument, nullptr, 'c' },
{ "light-on", utils::getopt::no_argument, nullptr, 'l' },
{ "skybox-off", utils::getopt::no_argument, nullptr, 'y' },
{ "prefix", utils::getopt::required_argument, nullptr, 'x' },
{ "clear-color", utils::getopt::required_argument, nullptr, 'b' },
{ "size", utils::getopt::required_argument, nullptr, 'S' },
{ nullptr, 0, nullptr, 0 } // termination of the utils::getopt::option list
};
int opt;
int option_index = 0;
while ((opt = getopt_long(argc, argv, OPTSTR, OPTIONS, &option_index)) >= 0) {
std::string const arg(optarg ? optarg : "");
while ((opt = utils::getopt::getopt_long(argc, argv, OPTSTR, OPTIONS, &option_index)) >= 0) {
std::string const arg(utils::getopt::optarg ? utils::getopt::optarg : "");
switch (opt) {
default:
case 'h':
@@ -272,7 +272,7 @@ static int handleCommandLineArguments(int argc, char* argv[], Config* config) {
}
}
return optind;
return utils::getopt::optind;
}
// Cleans up Filament resources (entities, materials, etc.) before exit.