From 7c0d0697b7e288af0e44691446e34004206dfeba Mon Sep 17 00:00:00 2001
From: Rick Guo <hello@liuxi.ng>
Date: Thu, 20 Aug 2026 13:58:58 +0800
Subject: [PATCH] formula: add dmtx/libdmtx

---
 dmtx/libdmtx/v0.7.8/libdmtx_llar.gox | 121 +++++++++++++++++++++++++++
 dmtx/libdmtx/versions.json           |   4 +
 2 files changed, 125 insertions(+)
 create mode 100644 dmtx/libdmtx/v0.7.8/libdmtx_llar.gox
 create mode 100644 dmtx/libdmtx/versions.json

diff --git a/dmtx/libdmtx/v0.7.8/libdmtx_llar.gox b/dmtx/libdmtx/v0.7.8/libdmtx_llar.gox
new file mode 100644
index 0000000..8ed7c08
--- /dev/null
+++ b/dmtx/libdmtx/v0.7.8/libdmtx_llar.gox
@@ -0,0 +1,121 @@
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+const consumerSource = `#include <dmtx.h>
+
+int main(void) {
+	DmtxEncode *enc = dmtxEncodeCreate();
+	dmtxEncodeDestroy(&enc);
+	return 0;
+}
+`
+
+id "dmtx/libdmtx"
+
+fromVer "v0.7.8"
+
+defaults {
+	"shared": "OFF",
+	"fPIC": "ON",
+}
+
+filter => {
+	for name, values in target.options {
+		if name != "shared" && name != "fPIC" {
+			return false
+		}
+		for value in values {
+			if value != "ON" && value != "OFF" {
+				return false
+			}
+		}
+	}
+	return true
+}
+
+onBuild ctx => {
+	installDir := ctx.outputDir
+	shared := target.options["shared"][0] == "ON"
+	fPIC := target.options["fPIC"][0] == "ON"
+
+	c := cmake.new(ctx.SourceDir, filepath.join(ctx.SourceDir, "_build"), installDir)
+	c.define "CMAKE_INSTALL_LIBDIR", "lib"
+	c.defineBool "BUILD_TESTING", false
+	c.defineBool "BUILD_SHARED_LIBS", shared
+	c.defineBool "BUILD_STATIC_LIBS", !shared
+	c.defineBool "DMTX_SHARED", shared
+	c.defineBool "DMTX_STATIC", !shared
+	c.defineBool "CMAKE_POSITION_INDEPENDENT_CODE", fPIC
+	c.configure
+	c.build
+	c.install
+
+	licenseDir := filepath.join(installDir, "licenses")
+	os.mkdirAll(licenseDir, 0o755)!
+	os.writeFile(filepath.join(licenseDir, "LICENSE"), os.readFile(filepath.join(ctx.SourceDir, "LICENSE"))!, 0o644)!
+
+	// CMake installs the library and dmtx.h but not libdmtx.pc. Keep the
+	// Autotools template's fields and make the published metadata relocatable.
+	version := ""
+	for line in string(os.readFile(filepath.join(ctx.SourceDir, "CMakeLists.txt"))!).split("\n") {
+		if line.hasPrefix("project(DMTX VERSION ") {
+			version = line.trimPrefix("project(DMTX VERSION ").split(" ")[0]
+			break
+		}
+	}
+	if version == "" {
+		panic "libdmtx CMakeLists.txt has no project version"
+	}
+
+	libs := "-L$${libdir} -ldmtx"
+	for osName in target.require["os"] {
+		if osName == "linux" || osName == "freebsd" {
+			libs += " -lm"
+			break
+		}
+	}
+
+	pcDir := filepath.join(installDir, "lib", "pkgconfig")
+	os.mkdirAll(pcDir, 0o755)!
+	pc := `prefix=$${pcfiledir}/../..
+exec_prefix=$${prefix}
+libdir=$${prefix}/lib
+includedir=$${prefix}/include
+
+Name: libdmtx
+URL: http://www.libdmtx.org/
+Description: Library for reading and writing Data Matrix barcodes
+Version: ` + version + `
+Libs: ` + libs + `
+Cflags: -I$${includedir}
+`
+	os.writeFile(filepath.join(pcDir, "libdmtx.pc"), []byte(pc), 0o644)!
+
+	pkgconfig.use installDir
+	ctx.setMetadata pkgconfig.lookup("libdmtx")!
+}
+
+onTest ctx => {
+	installDir := ctx.outputDir
+	testDir := filepath.join(ctx.SourceDir, "_llar_consumer")
+	os.mkdirAll(testDir, 0o755)!
+
+	sourcePath := filepath.join(testDir, "consumer.c")
+	os.writeFile(sourcePath, []byte(consumerSource), 0o644)!
+
+	pkgconfig.use installDir
+	flagsFile := filepath.join(testDir, "libdmtx.flags")
+	os.writeFile(flagsFile, []byte(pkgconfig.lookup("libdmtx")!), 0o644)!
+
+	binary := filepath.join(testDir, "consumer")
+	cc! sourcePath, "-o", binary, "@"+flagsFile
+
+	if target.options["shared"][0] == "ON" {
+		os.setenv("LD_LIBRARY_PATH", filepath.join(installDir, "lib"))!
+		os.setenv("DYLD_LIBRARY_PATH", filepath.join(installDir, "lib"))!
+	}
+	exec! binary
+}
diff --git a/dmtx/libdmtx/versions.json b/dmtx/libdmtx/versions.json
new file mode 100644
index 0000000..cea3424
--- /dev/null
+++ b/dmtx/libdmtx/versions.json
@@ -0,0 +1,4 @@
+{
+	"path": "dmtx/libdmtx",
+	"deps": {}
+}