diff --git a/.travis.yml b/.travis.yml
index c687031cc6..50e8e80fcd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -49,6 +49,10 @@ matrix:
           osx_image: xcode11.4
           env: wxCONFIGURE_FLAGS="--enable-monolithic --with-cxx=17 --host=i686-apple-darwin_sim --build=x86_64-apple-darwin17.7.0 --with-osx_iphone --with-macosx-version-min=10.0 --with-macosx-sdk=$(xcrun --sdk iphonesimulator --show-sdk-path) --enable-stl --disable-sys-libs" wxSKIP_GUI=1 wxSKIP_TESTING=1 wxSKIP_SAMPLES=1
           name: wxOSX iOS Xcode 11.4
+        - os: osx
+          osx_image: xcode11.4
+          env: wxTOOLSET=cmake wxCMAKE_GENERATOR=Xcode wxCMAKE_DEFINES="-DCMAKE_SYSTEM_NAME=iOS -DCMAKE_FIND_ROOT_PATH=/usr/local -DCMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED=NO -DCMAKE_OSX_DEPLOYMENT_TARGET=10.12" wxCMAKE_SAMPLES=OFF wxCMAKE_TESTS=OFF
+          name: wxOSX iOS CMake Xcode 11.4
         - dist: bionic
           compiler: gcc
           env: wxCONFIGURE_FLAGS="--with-x11 --enable-pch --disable-stc" wxSKIP_SAMPLES=1
diff --git a/build/cmake/init.cmake b/build/cmake/init.cmake
index 27ef13cacc..4524bc70e6 100644
--- a/build/cmake/init.cmake
+++ b/build/cmake/init.cmake
@@ -543,17 +543,23 @@ endif()
 set(wxBUILD_PRECOMP_PREV ${wxBUILD_PRECOMP} CACHE INTERNAL "")
 
 if(wxBUILD_PRECOMP)
+    if(DEFINED CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED)
+        set(try_flags "-DCMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED=${CMAKE_XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED}")
+    endif()
     if (CLEAN_PRECOMP_TEST)
         try_compile(RESULT_VAR_CLEAN
                     "${wxBINARY_DIR}/CMakeFiles/cotire_test"
                     "${wxSOURCE_DIR}/build/cmake/modules/cotire_test"
                     CotireExample clean_cotire
+                    CMAKE_FLAGS ${try_flags}
         )
     endif()
     try_compile(RESULT_VAR
                 "${wxBINARY_DIR}/CMakeFiles/cotire_test"
                 "${wxSOURCE_DIR}/build/cmake/modules/cotire_test"
-                CotireExample OUTPUT_VARIABLE OUTPUT_VAR
+                CotireExample
+                CMAKE_FLAGS ${try_flags}
+                OUTPUT_VARIABLE OUTPUT_VAR
     )
 
     # check if output has precompiled header warnings. The build can still succeed, so check the output
diff --git a/build/tools/travis-ci.sh b/build/tools/travis-ci.sh
index 411c8d9cb8..c618b08bbb 100755
--- a/build/tools/travis-ci.sh
+++ b/build/tools/travis-ci.sh
@@ -11,6 +11,7 @@ wxBUILD_ARGS="-j$wxPROC_COUNT"
 case $wxTOOLSET in
     cmake)
         if [ -z $wxCMAKE_TESTS ]; then wxCMAKE_TESTS=CONSOLE_ONLY; fi
+        if [ -z $wxCMAKE_SAMPLES ]; then wxCMAKE_SAMPLES=SOME; fi
         if [ "$wxCMAKE_GENERATOR" == "Xcode" ]; then
             wxBUILD_ARGS="-jobs $wxPROC_COUNT -quiet"
         fi
@@ -20,13 +21,22 @@ case $wxTOOLSET in
         echo 'Configuring...'
         mkdir build_cmake
         pushd build_cmake
-        cmake -G "$wxCMAKE_GENERATOR" $wxCMAKE_DEFINES -D wxBUILD_SAMPLES=SOME -D wxBUILD_TESTS=$wxCMAKE_TESTS ..
+        cmake -G "$wxCMAKE_GENERATOR" $wxCMAKE_DEFINES -D wxBUILD_SAMPLES=$wxCMAKE_SAMPLES -D wxBUILD_TESTS=$wxCMAKE_TESTS ..
         echo 'travis_fold:end:configure'
 
-        echo 'travis_fold:start:building'
-        echo 'Building...'
-        cmake --build . -- $wxBUILD_ARGS
-        echo 'travis_fold:end:building'
+        if [ "$wxCMAKE_GENERATOR" != "Xcode" ]; then
+            echo 'travis_fold:start:building'
+            echo 'Building...'
+            cmake --build . -- $wxBUILD_ARGS
+            echo 'travis_fold:end:building'
+        fi
+
+        echo 'travis_fold:start:install'
+        if [ "$wxCMAKE_GENERATOR" == "Xcode" ]; then echo -n 'Building and '; fi
+        echo 'Installing...'
+        sudo env "PATH=$PATH" cmake --build . --target install -- $wxBUILD_ARGS
+        popd
+        echo 'travis_fold:end:install'
 
         if [ "$wxCMAKE_TESTS" != "OFF" ]; then
             echo 'travis_fold:start:testing'
@@ -35,12 +45,6 @@ case $wxTOOLSET in
             echo 'travis_fold:end:testing'
         fi
 
-        echo 'travis_fold:start:install'
-        echo 'Installing...'
-        sudo env "PATH=$PATH" cmake --build . --target install -- $wxBUILD_ARGS
-        popd
-        echo 'travis_fold:end:install'
-
         echo 'travis_fold:start:testinstall'
         echo 'Testing installation...'
         mkdir build_cmake_install_test