diff --git a/CMakeLists.txt b/CMakeLists.txt
index dec90e736..ccec416dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -794,7 +794,12 @@ file(MAKE_DIRECTORY ${BASE_INC_PATH})
 set (BLIS1_TARGET_PATH "${CMAKE_SOURCE_DIR}/${BASE_INC_PATH}/blis1.h")
 set (BLIS1__H_SRC_PATH "${CMAKE_SOURCE_DIR}/src/base/flamec/blis/include/blis1.h" )
 set (BLIS_FLATTEN_HEADER "${CMAKE_SOURCE_DIR}/build/flatten-headers.py")
-set (PYTHON_EXE "python")
+
+if(WIN32)
+	set (PYTHON_EXE "python")
+else()
+	set (PYTHON_EXE "python3")
+endif()
 
 execute_process(
     COMMAND ${PYTHON_EXE} ${BLIS_FLATTEN_HEADER} "${C_COMMENT}" "${VERBOSE}"
diff --git a/build/flatten-headers.py b/build/flatten-headers.py
index 563725a7e..7446db00a 100755
--- a/build/flatten-headers.py
+++ b/build/flatten-headers.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 #  BLIS    
 #  An object-based framework for developing high-performance BLAS-like
diff --git a/configure b/configure
index 9f3ef89ed..c87549b88 100755
--- a/configure
+++ b/configure
@@ -6158,7 +6158,7 @@ $as_echo_n "checking for (guessing) appropriate ${CC_VENDOR} language flags... "
 			fla_c_lang_flags='-std=c99 -Wall -Wno-unused-function -Wno-error=implicit-function-declaration -Wno-parentheses -Wfatal-errors'
 		;;
 				clang)
-			fla_c_lang_flags='-Wall -Wno-unused-function -Wno-error=implicit-function-declaration -Wno-parentheses -Wfatal-errors'
+			fla_c_lang_flags='-Wall -Wno-unused-function -Wno-error=implicit-function-declaration -Wno-error=incompatible-function-pointer-types -Wno-parentheses -Wfatal-errors'
 		;;
 				icc)
 			fla_c_lang_flags='-std=c99'
diff --git a/src/aocl_dtl/etrace_decoder.py b/src/aocl_dtl/etrace_decoder.py
index 1a24f00cc..495c15255 100755
--- a/src/aocl_dtl/etrace_decoder.py
+++ b/src/aocl_dtl/etrace_decoder.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 """
 
diff --git a/src/map/lapack2flamec/f2c/c/clarrv.c b/src/map/lapack2flamec/f2c/c/clarrv.c
index be258413e..8124d2c69 100644
--- a/src/map/lapack2flamec/f2c/c/clarrv.c
+++ b/src/map/lapack2flamec/f2c/c/clarrv.c
@@ -1227,4 +1227,4 @@ int clarrv_(integer *n, real *vl, real *vu, real *d__, real * l, real *pivmin, i
     return 0;
     /* End of CLARRV */
 }
-/* clarrv_ */
+/* clarrv_ */
\ No newline at end of file
diff --git a/src/map/lapack2flamec/f2c/c/dlarrv.c b/src/map/lapack2flamec/f2c/c/dlarrv.c
index 493da9e63..a64c564f7 100644
--- a/src/map/lapack2flamec/f2c/c/dlarrv.c
+++ b/src/map/lapack2flamec/f2c/c/dlarrv.c
@@ -1169,4 +1169,4 @@ int dlarrv_(integer *n, doublereal *vl, doublereal *vu, doublereal *d__, doubler
     return 0;
     /* End of DLARRV */
 }
-/* dlarrv_ */
+/* dlarrv_ */
\ No newline at end of file
diff --git a/src/map/lapack2flamec/f2c/c/slarrv.c b/src/map/lapack2flamec/f2c/c/slarrv.c
index 86fd2ee7b..a857fe03a 100644
--- a/src/map/lapack2flamec/f2c/c/slarrv.c
+++ b/src/map/lapack2flamec/f2c/c/slarrv.c
@@ -1164,4 +1164,4 @@ int slarrv_(integer *n, real *vl, real *vu, real *d__, real * l, real *pivmin, i
     return 0;
     /* End of SLARRV */
 }
-/* slarrv_ */
+/* slarrv_ */
\ No newline at end of file
diff --git a/src/map/lapack2flamec/f2c/c/zlarrv.c b/src/map/lapack2flamec/f2c/c/zlarrv.c
index 8567d03c3..c4770c3fa 100644
--- a/src/map/lapack2flamec/f2c/c/zlarrv.c
+++ b/src/map/lapack2flamec/f2c/c/zlarrv.c
@@ -1220,4 +1220,4 @@ int zlarrv_(integer *n, doublereal *vl, doublereal *vu, doublereal *d__, doubler
     return 0;
     /* End of ZLARRV */
 }
-/* zlarrv_ */
+/* zlarrv_ */
\ No newline at end of file