diff --git a/mingw-filesystem.spec b/mingw-filesystem.spec
index aa80ec1..e2545d1 100644
--- a/mingw-filesystem.spec
+++ b/mingw-filesystem.spec
@@ -6,7 +6,7 @@
 %global macrosdir %(d=%{_rpmconfigdir}/macros.d; [ -d $d ] || d=%{_sysconfdir}/rpm; echo $d)
 
 Name:           mingw-filesystem
-Version:        123
+Version:        124
 Release:        1%{?dist}
 Summary:        MinGW cross compiler base filesystem and environment
 
@@ -351,6 +351,10 @@ echo ".so man1/pkgconf.1" > %{buildroot}%{_mandir}/man1/x86_64-w64-mingw32-pkg-c
 
 
 %changelog
+* Wed Nov 17 2021 Sandro Mani <manisandro@gmail.com> - 124-1
+- Use relative paths in cmake/meson toolchain files to make ccache work if
+  available
+
 * Tue Sep 21 2021 Sandro Mani <manisandro@gmail.com> - 123-1
 - Autogenerate mingw-python3 BR
 - Fix mingw{32/64}.attr to also capture pyd, pc files
diff --git a/toolchain-mingw32.cmake b/toolchain-mingw32.cmake
index 70f6441..e8e321a 100644
--- a/toolchain-mingw32.cmake
+++ b/toolchain-mingw32.cmake
@@ -2,8 +2,8 @@ SET(CMAKE_SYSTEM_NAME Windows)
 SET(CMAKE_SYSTEM_PROCESSOR x86)
 
 # specify the cross compiler
-SET(CMAKE_C_COMPILER /usr/bin/i686-w64-mingw32-gcc)
-SET(CMAKE_CXX_COMPILER /usr/bin/i686-w64-mingw32-g++)
+SET(CMAKE_C_COMPILER i686-w64-mingw32-gcc)
+SET(CMAKE_CXX_COMPILER i686-w64-mingw32-g++)
 
 # where is the target environment
 SET(CMAKE_FIND_ROOT_PATH /usr/i686-w64-mingw32/sys-root/mingw)
@@ -21,7 +21,7 @@ SET(QT_BINARY_DIR /usr/i686-w64-mingw32/bin /usr/bin)
 SET(CMAKE_RC_COMPILER /usr/bin/i686-w64-mingw32-windres)
 
 # These are needed for compiling lapack (RHBZ #753906)
-SET(CMAKE_Fortran_COMPILER /usr/bin/i686-w64-mingw32-gfortran)
+SET(CMAKE_Fortran_COMPILER i686-w64-mingw32-gfortran)
 SET(CMAKE_AR:FILEPATH /usr/bin/i686-w64-mingw32-ar)
 SET(CMAKE_RANLIB:FILEPATH /usr/bin/i686-w64-mingw32-ranlib)
 
diff --git a/toolchain-mingw32.meson b/toolchain-mingw32.meson
index 4d3000b..99fe91a 100644
--- a/toolchain-mingw32.meson
+++ b/toolchain-mingw32.meson
@@ -1,7 +1,7 @@
 [binaries]
-c = '/usr/bin/i686-w64-mingw32-gcc'
-cpp = '/usr/bin/i686-w64-mingw32-g++'
-fortran = '/usr/bin/i686-w64-mingw32-gfortran'
+c = 'i686-w64-mingw32-gcc'
+cpp = 'i686-w64-mingw32-g++'
+fortran = 'i686-w64-mingw32-gfortran'
 rust = ['rustc', '--target', 'i686-pc-windows-msvc', '-C', 'linker=/usr/bin/i686-w64-mingw32-gcc']
 ar = '/usr/bin/i686-w64-mingw32-ar'
 pkgconfig = '/usr/bin/i686-w64-mingw32-pkg-config'
diff --git a/toolchain-mingw64.cmake b/toolchain-mingw64.cmake
index b323e11..0ae6a74 100644
--- a/toolchain-mingw64.cmake
+++ b/toolchain-mingw64.cmake
@@ -2,8 +2,8 @@ SET(CMAKE_SYSTEM_NAME Windows)
 SET(CMAKE_SYSTEM_PROCESSOR x86_64)
 
 # specify the cross compiler
-SET(CMAKE_C_COMPILER /usr/bin/x86_64-w64-mingw32-gcc)
-SET(CMAKE_CXX_COMPILER /usr/bin/x86_64-w64-mingw32-g++)
+SET(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
+SET(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++)
 
 # where is the target environment
 SET(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32/sys-root/mingw)
@@ -21,7 +21,7 @@ SET(QT_BINARY_DIR /usr/x86_64-w64-mingw32/bin /usr/bin)
 SET(CMAKE_RC_COMPILER /usr/bin/x86_64-w64-mingw32-windres)
 
 # These are needed for compiling lapack (RHBZ #753906)
-SET(CMAKE_Fortran_COMPILER /usr/bin/x86_64-w64-mingw32-gfortran)
+SET(CMAKE_Fortran_COMPILER x86_64-w64-mingw32-gfortran)
 SET(CMAKE_AR:FILEPATH /usr/bin/x86_64-w64-mingw32-ar)
 SET(CMAKE_RANLIB:FILEPATH /usr/bin/x86_64-w64-mingw32-ranlib)
 
diff --git a/toolchain-mingw64.meson b/toolchain-mingw64.meson
index 918bee0..2f633aa 100644
--- a/toolchain-mingw64.meson
+++ b/toolchain-mingw64.meson
@@ -1,7 +1,7 @@
 [binaries]
-c = '/usr/bin/x86_64-w64-mingw32-gcc'
-cpp = '/usr/bin/x86_64-w64-mingw32-g++'
-fortran = '/usr/bin/x86_64-w64-mingw32-gfortran'
+c = 'x86_64-w64-mingw32-gcc'
+cpp = 'x86_64-w64-mingw32-g++'
+fortran = 'x86_64-w64-mingw32-gfortran'
 rust = ['rustc', '--target', 'x86_64-pc-windows-msvc', '-C', 'linker=/usr/bin/x86_64-w64-mingw32-gcc']
 ar = '/usr/bin/x86_64-w64-mingw32-ar'
 pkgconfig = '/usr/bin/x86_64-w64-mingw32-pkg-config'