draco: fix build with gcc

archivers/draco/Portfile

@@ -26,14 +26,17 @@ checksums           rmd160  8570f7264777ac166dfec8db1d09c07cd997f4ee \
 patchfiles          patch-gltf-decoder-cc.diff \
                     patch-draco-targets-cmake.diff
 
+# https://github.com/google/draco/pull/1089
+patchfiles-append   patch-gltf_utils.h.diff
+
 compiler.cxx_standard   2017
 cmake.set_cxx_standard  yes
 
 depends_build-append \
                     port:ghc-filesystem \
                     port:gtest
 
-depends_lib-append  port:eigen3 \
+depends_lib-append  path:share/pkgconfig/eigen3.pc:eigen3 \
                     port:nlohmann-json \
                     port:stb \
                     port:tinygltf
@@ -51,5 +54,11 @@ configure.args-append \
                     -DDRACO_TRANSCODER_SUPPORTED=ON \
                     -DDRACO_VERBOSE=3 \
 
+# https://trac.macports.org/ticket/71430
+if {[string match *gcc* ${configure.compiler}]} {
+    configure.cxxflags-append \
+                    -fpermissive
+}
+
 test.run            yes
 test.cmd            "./draco_tests"

archivers/draco/files/patch-gltf_utils.h.diff

@@ -0,0 +1,21 @@
+From a4edf44280b4456ed9d4267fff27a6040221b566 Mon Sep 17 00:00:00 2001
+From: Sergey Fedorov <[email protected]>
+Date: Sun, 1 Dec 2024 08:39:11 +0800
+Subject: [PATCH] gltf_utils.h: add a missing <cstdint>
+
+---
+ src/draco/io/gltf_utils.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git src/draco/io/gltf_utils.h src/draco/io/gltf_utils.h
+index befbacb..4547d42 100644
+--- src/draco/io/gltf_utils.h
++++ src/draco/io/gltf_utils.h
+@@ -21,6 +21,7 @@
+ #include <iomanip>
+ #include <sstream>
+ #include <string>
++#include <cstdint>
+
+ namespace draco {
+