diff --git a/libs/lapack/0002-Fix-mingw-build.patch b/libs/lapack/0002-Fix-mingw-build.patch
new file mode 100644
--- /dev/null
+++ b/libs/lapack/0002-Fix-mingw-build.patch
@@ -0,0 +1,24 @@
+diff -u -r lapack-3.9.0/LAPACKE/src/lapacke_cgesvdq.c lapack-3.9.0_fixed/LAPACKE/src/lapacke_cgesvdq.c
+--- lapack-3.9.0/LAPACKE/src/lapacke_cgesvdq.c	2019-11-21 08:57:43.000000000 +0100
++++ lapack-3.9.0_fixed/LAPACKE/src/lapacke_cgesvdq.c	2020-04-03 20:57:33.763699314 +0200
+@@ -71,7 +71,7 @@
+         goto exit_level_0;
+     }
+     liwork = (lapack_int)iwork_query;
+-    lcwork = (lapack_int)cwork_query;
++    lcwork = LAPACK_C2INT(cwork_query);
+     lrwork = (lapack_int)rwork_query;
+     /* Allocate memory for work arrays */
+     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
+diff -u -r lapack-3.9.0/LAPACKE/src/lapacke_zgesvdq.c lapack-3.9.0_fixed/LAPACKE/src/lapacke_zgesvdq.c
+--- lapack-3.9.0/LAPACKE/src/lapacke_zgesvdq.c	2019-11-21 08:57:43.000000000 +0100
++++ lapack-3.9.0_fixed/LAPACKE/src/lapacke_zgesvdq.c	2020-04-03 20:57:33.763699314 +0200
+@@ -71,7 +71,7 @@
+         goto exit_level_0;
+     }
+     liwork = (lapack_int)iwork_query;
+-    lcwork = (lapack_int)cwork_query;
++    lcwork = LAPACK_C2INT(cwork_query);
+     lrwork = (lapack_int)rwork_query;
+     /* Allocate memory for work arrays */
+     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
diff --git a/libs/lapack/lapack.py b/libs/lapack/lapack.py
--- a/libs/lapack/lapack.py
+++ b/libs/lapack/lapack.py
@@ -9,6 +9,7 @@
         self.displayName = "lapack"
         self.patchToApply['3.9.0'] = [
             ("0001-Restore-Missing-Prototypes.patch", 1), # https://github.com/Reference-LAPACK/lapack/commit/87536aa3.patch
+            ("0002-Fix-mingw-build.patch", 1),
         ]
 
     def setDependencies(self):
@@ -20,4 +21,8 @@
 class Package(CMakePackageBase):
     def __init__(self):
         CMakePackageBase.__init__(self)
-        self.subinfo.options.configure.args = "-DCMAKE_SKIP_RPATH=ON -DBUILD_SHARED_LIBS=ON -DBUILD_TESTING=OFF -DLAPACKE_WITH_TMG=ON -DCBLAS=ON -DBUILD_DEPRECATED=ON"
+        self.subinfo.options.configure.args = "-DCMAKE_SKIP_RPATH=ON -DBUILD_TESTING=OFF -DLAPACKE_WITH_TMG=ON -DCBLAS=ON -DBUILD_DEPRECATED=ON"
+        if OsUtils.isWin(): # mingw-w64 (gfortran) 8.1 includes only static libgfortran and fails to build dll
+            self.subinfo.options.configure.args = " -DBUILD_SHARED_LIBS=OFF"
+        else:
+            self.subinfo.options.configure.args = " -DBUILD_SHARED_LIBS=ON"
diff --git a/libs/pocketsphinx/0001-fix-static-lapack-link.patch b/libs/pocketsphinx/0001-fix-static-lapack-link.patch
new file mode 100755
--- /dev/null
+++ b/libs/pocketsphinx/0001-fix-static-lapack-link.patch
@@ -0,0 +1,12 @@
+diff -w -r -u pocketsphinx/src/libpocketsphinx/Makefile.am pocketsphinx-fixed/src/libpocketsphinx/Makefile.am
+--- pocketsphinx/src/libpocketsphinx/Makefile.am	2020-04-04 22:53:22.058341700 +0200
++++ pocketsphinx-fixed/src/libpocketsphinx/Makefile.am	2020-04-04 22:53:38.836995900 +0200
+@@ -2,7 +2,7 @@
+ 
+ lib_LTLIBRARIES = libpocketsphinx.la
+ 
+-libpocketsphinx_la_LDFLAGS = -version-info 3:0:0 -lm
++libpocketsphinx_la_LDFLAGS = -version-info 3:0:0 -lm -no-undefined
+ 
+ libpocketsphinx_la_SOURCES =			\
+ 	acmod.c					\
diff --git a/libs/pocketsphinx/pocketsphinx.py b/libs/pocketsphinx/pocketsphinx.py
--- a/libs/pocketsphinx/pocketsphinx.py
+++ b/libs/pocketsphinx/pocketsphinx.py
@@ -7,6 +7,9 @@
         self.description = "Lightweight speech recognition engine."
         self.webpage = "http://cmusphinx.sourceforge.net/"
         self.displayName = "PocketSphinx"
+        self.patchToApply['e40da77a85edbb5d79b92bf1dcb927d94e43e07d'] = [
+            ("0001-fix-static-lapack-link.patch", 1),
+        ]
 
     def setDependencies(self):
         self.buildDependencies["virtual/base"] = None
diff --git a/libs/sphinxbase/0001-fix-static-lapack-link.patch b/libs/sphinxbase/0001-fix-static-lapack-link.patch
new file mode 100755
--- /dev/null
+++ b/libs/sphinxbase/0001-fix-static-lapack-link.patch
@@ -0,0 +1,24 @@
+diff -w -r -u sphinxbase/src/libsphinxad/Makefile.am sphinxbase-fixed/src/libsphinxad/Makefile.am
+--- sphinxbase/src/libsphinxad/Makefile.am	2020-04-04 22:41:28.462747600 +0200
++++ sphinxbase-fixed/src/libsphinxad/Makefile.am	2020-04-04 22:41:36.767949100 +0200
+@@ -5,7 +5,7 @@
+ 
+ # Confusing libtool version info means:
+ #
+-libsphinxad_la_LDFLAGS = -version-info 3:0:0
++libsphinxad_la_LDFLAGS = -version-info 3:0:0 -no-undefined
+ 
+ libsphinxad_la_SOURCES = 
+ 
+diff -w -r -u sphinxbase/src/libsphinxbase/Makefile.am sphinxbase-fixed/src/libsphinxbase/Makefile.am
+--- sphinxbase/src/libsphinxbase/Makefile.am	2020-04-04 22:41:28.572116000 +0200
++++ sphinxbase-fixed/src/libsphinxbase/Makefile.am	2020-04-04 22:41:36.846087300 +0200
+@@ -4,7 +4,7 @@
+ 
+ libsphinxbase_la_SOURCES =
+ 
+-libsphinxbase_la_LDFLAGS = -version-info 3:0:0
++libsphinxbase_la_LDFLAGS = -version-info 3:0:0 -no-undefined
+ libsphinxbase_la_LIBADD = $(LTLIBICONV) \
+ 	util/libsphinxutil.la \
+ 	fe/libsphinxfe.la \
diff --git a/libs/sphinxbase/sphinxbase.py b/libs/sphinxbase/sphinxbase.py
--- a/libs/sphinxbase/sphinxbase.py
+++ b/libs/sphinxbase/sphinxbase.py
@@ -7,6 +7,9 @@
         self.description = "Common library for sphinx speech recognition."
         self.webpage = "http://cmusphinx.sourceforge.net/"
         self.displayName = "SphinxBase"
+        self.patchToApply['057d423ddddea2351678abd0d29b5f1463a343c7'] = [
+            ("0001-fix-static-lapack-link.patch", 1),
+        ]
 
     def setDependencies(self):
         self.buildDependencies["virtual/base"] = None