dcmtk: fix environ for macOS

graphics/dcmtk/Portfile

@@ -1,4 +1,4 @@
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem              1.0
 PortGroup               active_variants 1.1
@@ -40,6 +40,9 @@
 # avoid self-conflict
 patchfiles              install_path_fix_part2.patch
 
+# https://github.com/DCMTK/dcmtk/pull/112
+patchfiles-append       0001-ofstub.cc-fix-environ-for-Apple.patch
+
 configure.cppflags-replace -I${prefix}/include -isystem${prefix}/include
 
 depends_lib             path:include/turbojpeg.h:libjpeg-turbo \
@@ -50,7 +53,7 @@
                         port:tiff \
                         port:zlib
 
-depends_build-append    port:pkgconfig
+depends_build-append    path:bin/pkg-config:pkgconfig
 
 configure.args-append   -DDCMTK_WITH_TIFF=ON \
                         -DDCMTK_WITH_OPENJPEG=OFF \
@@ -156,7 +159,7 @@
     # builds and works only on 10.6 for ppc builds. Make sure
     # this patch cannot be applied elsewhere, and also not used
     # if legacy_dispatch is chosen.
-    patchfiles-append   0001-Revert-Fixed-OFSemaphore-for-macOS.patch
+    patchfiles-append   0002-Revert-Fixed-OFSemaphore-for-macOS.patch
 }
 
 default_variants        +ssl

graphics/dcmtk/files/0001-ofstub.cc-fix-environ-for-Apple.patch

@@ -0,0 +1,25 @@
+From 881965da18dee93aa38570a0d2fe292c37365bd8 Mon Sep 17 00:00:00 2001
+From: Sergey Fedorov <[email protected]>
+Date: Fri, 13 Dec 2024 17:03:57 +0800
+Subject: [PATCH] ofstub.cc: fix environ for Apple
+
+---
+ ofstd/libsrc/ofstub.cc | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git ofstd/libsrc/ofstub.cc ofstd/libsrc/ofstub.cc
+index c1df7068e..bba147e26 100644
+--- ofstd/libsrc/ofstub.cc
++++ ofstd/libsrc/ofstub.cc
+@@ -141,6 +141,11 @@ static OFString getLastErrorString()
+   return OFString();
+ }
+
++#elif defined(__APPLE__)
++
++#include <crt_externs.h>
++#define environ (*_NSGetEnviron())
++
+ #else /* _WIN32 */
+
+ extern char** environ; // required to exist by the Single Unix Specification