diff --git a/audacity.changes b/audacity.changes
index a9e02b3..bd33aa0 100644
--- a/audacity.changes
+++ b/audacity.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Jan 26 09:23:34 UTC 2018 - davejplater@gmail.com
+
+- Build with gcc7 for Leap:42.3 and -fstack-clash-protection
+
 -------------------------------------------------------------------
 Mon Jan 15 19:06:10 UTC 2018 - jengelh@inai.de
 
diff --git a/audacity.spec b/audacity.spec
index 5a40c02..71e9f4d 100644
--- a/audacity.spec
+++ b/audacity.spec
@@ -46,11 +46,11 @@ BuildRequires:  automake
 BuildRequires:  cmake
 BuildRequires:  desktop-file-utils
 #Audacity only builds with gcc >= 4.9
-# WARNING: Anything built against wxWidgets with gcc >= 5 needs widgets built with relax-abi.diff
+# WARNING: Anything built against wxWidgets with gcc >= 5 needs widgets built with relax-abi.diff and gcc >= 5
 %if 0%{?suse_version} < 1330
-BuildRequires:  cpp5
-BuildRequires:  gcc5
-BuildRequires:  gcc5-c++
+BuildRequires:  cpp7
+BuildRequires:  gcc7
+BuildRequires:  gcc7-c++
 %else
 BuildRequires:  gcc-c++
 %endif
@@ -118,8 +118,10 @@ rm -rf lib-src/lame
 
 %build
 # WARNING: Do not alter, only for Leap.
-test -x "$(type -p gcc-5)" && export CC=gcc-5
-test -x "$(type -p g++-5)" && export CXX=g++-5
+test -x "$(type -p %{_bindir}/gcc-7)" && export CC="%{_bindir}/gcc-7"
+test -x "$(type -p %{_bindir}/g++-7)" && export CXX="%{_bindir}/g++-7"
+test -x "$(type -p %{_bindir}/cpp-7)" && export CPP="%{_bindir}/cpp-7"
+
 export CFLAGS="%{optflags} -fno-strict-aliasing"
 export CXXFLAGS="$CFLAGS -std=gnu++11"
 aclocal -I m4