diff --git a/packages/openmpi/build.sh b/packages/openmpi/build.sh
index a8dc1411f..a011e8228 100644
--- a/packages/openmpi/build.sh
+++ b/packages/openmpi/build.sh
@@ -1,17 +1,17 @@
 TERMUX_PKG_HOMEPAGE=https://www.open-mpi.org
 TERMUX_PKG_DESCRIPTION="The Open MPI Project is an open source Message Passing Interface implementation that is developed and maintained by a consortium of academic, research, and industry partners"
 TERMUX_PKG_MAINTAINER="Henrik Grimler @Grimler91"
-TERMUX_PKG_VERSION="2.1.1"
-TERMUX_PKG_SRCURL=https://www.open-mpi.org/software/ompi/v${TERMUX_PKG_VERSION:0:3}/downloads/openmpi-$TERMUX_PKG_VERSION.tar.gz
-TERMUX_PKG_SHA256=afe4bef3c4378bc76eea96c623d5aa4c1c98b9e057d281c646e68869292a77dc
+TERMUX_PKG_VERSION=3.1.2
+TERMUX_PKG_SRCURL=https://download.open-mpi.org/release/open-mpi/v${TERMUX_PKG_VERSION:0:3}/openmpi-$TERMUX_PKG_VERSION.tar.gz
+TERMUX_PKG_SHA256=363c8a1258d12df28657e9b13bfe41e30fc129a4cfb89fcf53ff68bbe1bd65b3
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--without-x
 ac_cv_header_ifaddrs_h=no
-ac_cv_header_stdint_h=no
-ac_cv_header_stdlib_h=no
---disable-dlopen"
+--disable-dlopen
+--disable-mpi-fortran
+"
 
 termux_step_pre_configure () {
 	# rindex is an obsolete version of strrchr which is not available in Android:
-	CFLAGS+=" -Drindex=strrchr"
+	CFLAGS+=" -Drindex=strrchr -Dbcmp=memcmp"
 	LDFLAGS+=" -llog"
 }
diff --git a/packages/openmpi/configure.patch b/packages/openmpi/configure.patch
deleted file mode 100644
index b4466fc0f..000000000
--- a/packages/openmpi/configure.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-Make openmpi use asm stuff. This is probably a bad patch, stops working if a armv8*) option is added in future versions of openmpi.
---- src/configure	2017-05-10 18:01:14.000000000 +0200
-+++ configure	2017-08-21 16:25:06.056981123 +0200
-@@ -32870,7 +32870,7 @@
-             OPAL_GCC_INLINE_ASSIGN='"mov %0, #0" : "=&r"(ret)'
-             ;;
- 
--        armv7*)
-+        arm*)
-             opal_cv_asm_arch="ARM"
-             OPAL_ASM_SUPPORT_64BIT=1
-             OPAL_ASM_ARM_VERSION=7
-# @@ -66113,6 +66113,6 @@
-#  # libpthreads: AIX - must check before libpthread
-#  # liblthread:  LinuxThreads on FreeBSD
-#  # libpthread:  The usual place (like we can define usual!)
-# -plibs="-lpthreads -llthread -lpthread"
-# +plibs="-lpthreads -llthread"
-#  
-#  # Only run C++ and Fortran if those compilers already configured
-# @@ -78660,7 +78660,7 @@
-#  $as_echo_n "checking for pthread_mutex_lock with -lpthread... " >&6; }
-#         # Try again with explicit -lpthread, but don't use AC_CHECK_FUNC to avoid the cache
-#         tmp_save_LIBS=$LIBS
-# -       LIBS="$LIBS -lpthread"
-# +       LIBS="$LIBS"
-#         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-#  /* end confdefs.h.  */
-#  
-# @@ -78681,7 +78681,7 @@
-#  _ACEOF
-#  if ac_fn_c_try_link "$LINENO"; then :
-#    hwloc_pthread_mutex_happy=yes
-# -          HWLOC_LIBS="$HWLOC_LIBS -lpthread"
-# +          HWLOC_LIBS="$HWLOC_LIBS"
-#  
-#  fi
-#  rm -f core conftest.err conftest.$ac_objext \
diff --git a/packages/openmpi/opal-mca-pmix-pmix112-pmix-configure.patch b/packages/openmpi/opal-mca-pmix-pmix112-pmix-configure.patch
deleted file mode 100644
index c22a4ce36..000000000
--- a/packages/openmpi/opal-mca-pmix-pmix112-pmix-configure.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- ./opal/mca/pmix/pmix112/pmix/configure	2017-05-10 17:59:25.000000000 +0200
-+++ ../opal-mca-pmix-pmix112-pmix-configure	2017-08-21 18:41:52.480102289 +0200
-@@ -26009,7 +26009,7 @@
- 
- 
-     orig_libs=$LIBS
--    LIBS="-lpthread $LIBS"
-+    LIBS="$LIBS"
- 
-     _x_ac_pthread_lock_found="0"
-     _x_ac_fcntl_lock_found="0"
diff --git a/packages/openmpi/opal-util-info.c.patch b/packages/openmpi/opal-util-info.c.patch
new file mode 100644
index 000000000..7cee035f9
--- /dev/null
+++ b/packages/openmpi/opal-util-info.c.patch
@@ -0,0 +1,12 @@
+--- ../info.c.orig	2018-09-13 21:30:21.602391682 +0200
++++ ./opal/util/info.c	2018-09-13 21:30:30.942315803 +0200
+@@ -27,7 +27,9 @@
+ 
+ #include <string.h>
+ #include <errno.h>
++#ifdef HAVE_STDLIB_H
+ #include <stdlib.h>
++#endif
+ #ifdef HAVE_UNISTD_H
+ #include <unistd.h>
+ #endif
diff --git a/packages/openmpi/opal-util-info_subscriber.c.patch b/packages/openmpi/opal-util-info_subscriber.c.patch
new file mode 100644
index 000000000..cd5091619
--- /dev/null
+++ b/packages/openmpi/opal-util-info_subscriber.c.patch
@@ -0,0 +1,12 @@
+--- ../info_subscriber.c.orig	2018-09-13 21:27:28.615555253 +0200
++++ ./opal/util/info_subscriber.c	2018-09-13 21:27:59.179378432 +0200
+@@ -27,7 +27,9 @@
+ 
+ #include <string.h>
+ #include <errno.h>
++#ifdef HAVE_STDLIB_H
+ #include <stdlib.h>
++#endif
+ #ifdef HAVE_UNISTD_H
+ #include <unistd.h>
+ #endif
diff --git a/packages/openmpi/orte-mca-state-base-state_base_fns.c.patch b/packages/openmpi/orte-mca-state-base-state_base_fns.c.patch
new file mode 100644
index 000000000..f75f9d325
--- /dev/null
+++ b/packages/openmpi/orte-mca-state-base-state_base_fns.c.patch
@@ -0,0 +1,15 @@
+"The getdtablesize functions has been deprecated by Posix and has been   
+ removed from Android's LB64 ABI. Replace calls to it with the modern
+ equivalent sysconf(_SC_OPEN_MAX)."
+https://groups.google.com/a/chromium.org/forum/#!topic/chromium-reviews/AXhZapYuHi8
+--- ../state_base_fns.c.orig	2018-09-13 21:45:45.407361866 +0200
++++ ./orte/mca/state/base/state_base_fns.c	2018-09-13 21:45:58.999257268 +0200
+@@ -1069,7 +1069,7 @@
+ 
+     /* get the number of available file descriptors
+      * for this daemon */
+-    nfds = getdtablesize();
++    nfds = sysconf(_SC_OPEN_MAX);
+     result = NULL;
+     /* loop over them and get their info */
+     for (i=0; i < nfds; i++) {