diff --git a/ports/gklib/fix-mingw.patch b/ports/gklib/fix-mingw.patch
new file mode 100644
index 00000000000..6cb6136df00
--- /dev/null
+++ b/ports/gklib/fix-mingw.patch
@@ -0,0 +1,32 @@
+diff --git a/gk_arch.h b/gk_arch.h
+index 122e087..c8a322f 100644
+--- a/gk_arch.h
++++ b/gk_arch.h
+@@ -42,7 +42,9 @@
+ #endif
+   #include <inttypes.h>
+   #include <sys/types.h>
++#ifndef _WIN32 # MinGW
+   #include <sys/resource.h>
++#endif
+   #include <sys/time.h>
+   #include <unistd.h>
+ #endif
+diff --git a/gk_getopt.h b/gk_getopt.h
+index 4bb8611..cc416ab 100644
+--- a/gk_getopt.h
++++ b/gk_getopt.h
+@@ -52,10 +52,10 @@ struct gk_option {
+ 
+ 
+ /* Function prototypes */
+-extern int gk_getopt(int __argc, char **__argv, char *__shortopts);
+-extern int gk_getopt_long(int __argc, char **__argv, char *__shortopts,
++extern int gk_getopt(int argc, char ** argv, char *__shortopts);
++extern int gk_getopt_long(int argc, char ** argv, char *__shortopts,
+               struct gk_option *__longopts, int *__longind);
+-extern int gk_getopt_long_only (int __argc, char **__argv,
++extern int gk_getopt_long_only (int argc, char ** argv,
+               char *__shortopts, struct gk_option *__longopts, int *__longind);
+ 
+ 
diff --git a/ports/gklib/portfile.cmake b/ports/gklib/portfile.cmake
index 9c50870f007..9eb4867321d 100644
--- a/ports/gklib/portfile.cmake
+++ b/ports/gklib/portfile.cmake
@@ -6,6 +6,7 @@ vcpkg_from_github(
     SHA512 e906c7af8b40ce1c4c4ea43cbfca3e3970e5595686333ac9ac80c6cbc558feb0e833f530f034161927030edac5272234c6ac9cad5287cb6edab0c0671ba3644c
     PATCHES
         build-fixes.patch
+        fix-mingw.patch
 )
 
 # Delete files that are workarounds for very old copies of msvc.
diff --git a/ports/gklib/vcpkg.json b/ports/gklib/vcpkg.json
index f5f0a44ddad..c31e6f6e45f 100644
--- a/ports/gklib/vcpkg.json
+++ b/ports/gklib/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "gklib",
   "version-date": "2022-07-27",
-  "port-version": 1,
+  "port-version": 2,
   "description": "General helper libraries for KarypisLab.",
   "homepage": "https://github.com/KarypisLab/GKlib/",
   "license": "Apache-2.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index 54fea596e6b..bcbcb568d79 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2566,7 +2566,7 @@
     },
     "gklib": {
       "baseline": "2022-07-27",
-      "port-version": 1
+      "port-version": 2
     },
     "gl2ps": {
       "baseline": "1.4.2",
diff --git a/versions/g-/gklib.json b/versions/g-/gklib.json
index 5ba439c5555..a0af42d2b28 100644
--- a/versions/g-/gklib.json
+++ b/versions/g-/gklib.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "7f9c6f0e711860da19899fbe78e027d0a5e8cfc1",
+      "version-date": "2022-07-27",
+      "port-version": 2
+    },
     {
       "git-tree": "be7b5aca0025910c7dbbc260564bf7d56ada1a3c",
       "version-date": "2022-07-27",