3 files changed, 46 insertions, 0 deletions
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 6670ebd..b33502e 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -3,6 +3,8 @@ pkgs:
 {
   # duksebot = pkgs.callPackage ./duksebot { };
 
+  tcl-cmark = pkgs.callPackage ./tcl-cmark { };
+
   still-awake = pkgs.callPackage ./still-awake { };
 
   # Use patched version from Karl.
diff --git a/pkgs/tcl-cmark/default.nix b/pkgs/tcl-cmark/default.nix
new file mode 100644
index 0000000..ccbf0ff
--- /dev/null
+++ b/pkgs/tcl-cmark/default.nix
@@ -0,0 +1,25 @@
+{ tcl
+, pkg-config
+, autoreconfHook
+, cmark-gfm
+, fetchFromGitHub
+}:
+
+tcl.mkTclDerivation {
+  pname = "tcl-cmark";
+  version = "2022-03-15";
+
+  src = fetchFromGitHub {
+    owner = "apnadkarni";
+    repo = "tcl-cmark";
+    rev = "b8e203fe48f2b717365c5c58a2908019b2f36f8b";
+    hash = "sha256-wXr/sDIh4o8l+21ALb7CDPnYsExr9p7IZ6Kg5tAOGHs=";
+  };
+
+  patches = [
+    ./fix-gfm-extension-name.patch
+  ];
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [ cmark-gfm ];
+}
diff --git a/pkgs/tcl-cmark/fix-gfm-extension-name.patch b/pkgs/tcl-cmark/fix-gfm-extension-name.patch
new file mode 100644
index 0000000..d907da7
--- /dev/null
+++ b/pkgs/tcl-cmark/fix-gfm-extension-name.patch
@@ -0,0 +1,19 @@
+diff --git a/tclcmark.m4 b/tclcmark.m4
+index e94b746..6b91920 100644
+--- a/tclcmark.m4
++++ b/tclcmark.m4
+@@ -19,10 +19,10 @@ AC_DEFUN(TCLCMARK_LOCATE_CMARK, [
+         AC_MSG_RESULT([found])
+         if test "${TEA_PLATFORM}" = "windows" ; then
+             CMARK_CFLAGS="`pkg-config --cflags libcmark-gfm`"
+-            CMARK_LIBS="-Wl,-Bstatic `pkg-config --static --libs libcmark-gfm` -lcmark-gfmextensions -Wl,-Bdynamic"
++            CMARK_LIBS="-Wl,-Bstatic `pkg-config --static --libs libcmark-gfm` -lcmark-gfm-extensions -Wl,-Bdynamic"
+         else
+             CMARK_CFLAGS="`pkg-config --cflags libcmark-gfm`"
+-            CMARK_LIBS="`pkg-config --libs libcmark-gfm` -lcmark-gfmextensions"
++            CMARK_LIBS="`pkg-config --libs libcmark-gfm` -lcmark-gfm-extensions"
+         fi
+     fi
+
+--
+2.40.1