2 files changed, 12 insertions, 0 deletions
diff --git a/dev/build/windows/MakeCoq_MinGW.bat b/dev/build/windows/MakeCoq_MinGW.bat
index fd6ea9bb09..8eff2cf577 100755
--- a/dev/build/windows/MakeCoq_MinGW.bat
+++ b/dev/build/windows/MakeCoq_MinGW.bat
@@ -389,6 +389,7 @@ IF "%RUNSETUP%"=="Y" (
     -P libfontconfig1 ^
     -P gtk-update-icon-cache ^
     -P libtool,automake ^
+    -P libgmp-devel ^
     -P intltool ^
     -P bison,flex ^
     %EXTRAPACKAGES% ^
diff --git a/dev/build/windows/makecoq_mingw.sh b/dev/build/windows/makecoq_mingw.sh
index cc9fd13fdc..cde1d798a0 100755
--- a/dev/build/windows/makecoq_mingw.sh
+++ b/dev/build/windows/makecoq_mingw.sh
@@ -1006,6 +1006,7 @@ function make_ocaml_tools {
 
 function make_ocaml_libs {
   make_num
+  make_zarith
   make_findlib
   make_lablgtk
 }
@@ -1023,6 +1024,16 @@ function make_num {
   fi
 }
 
+function make_zarith {
+  make_ocaml
+  if build_prep https://github.com/ocaml/Zarith/archive release-1.9.1 tar.gz 1 zarith-1.9.1; then
+    logn configure ./configure
+    log1 make
+    log2 make install
+    build_post
+  fi
+}
+
 ##### OCAMLBUILD #####
 
 function make_ocamlbuild {