Updates to re-attempt to support macOS 10.15

Author: dkulp

.github/workflows/CI.yml

@@ -17,7 +17,7 @@ jobs:
           submodules: 'false'
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: latest-stable
+        xcode-version: '26.4.1'
     - name: Install dependencies
       run: |
         brew update

.github/workflows/Release.yml

@@ -16,7 +16,7 @@ jobs:
           submodules: 'false'
     - uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: latest-stable
+        xcode-version: '26.4.1'
     - name: Install dependencies
       run: |
         brew update

README.deps

@@ -1,4 +1,4 @@
-wxwidgets: xlights_2026.04
+wxwidgets: xlights_2026.07
 
 log4cpp:
 Currently using 1.1.5  (REL_1.1.5_Dec_01_2025)

env.sh

@@ -1,9 +1,9 @@
 
 # --- macOS targets ---
-export MACOSX_DEPLOYMENT_TARGET=11.0
+export MACOSX_DEPLOYMENT_TARGET=10.15
 export OSX_VERSION_MIN="-mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
-export ARM64_TARGETS="-target arm64-apple-macos11.0 -arch arm64"
-export X86_64_TARGETS="-target x86_64-apple-macos11.0 -arch x86_64"
+export ARM64_TARGETS="-target arm64-apple-macos10.15 -arch arm64"
+export X86_64_TARGETS="-target x86_64-apple-macos10.15 -arch x86_64"
 
 #need ONE of these lines, default is to build for both arm64 and x86_64
 export XL_TARGETS="${X86_64_TARGETS} ${ARM64_TARGETS}"

submodules/build_wxwidgets.sh

@@ -22,7 +22,7 @@ export CC=clang
 export CPP="clang -E"
 export CFLAGS="-g"
 ../configure  --disable-debug_flag --enable-debug_info --enable-optimise --prefix=${BASE_DEPS_DIR} --enable-universal_binary=${BINARY_PLATFORMS} \
-            --with-osx_cocoa --with-macosx-version-min=11.0 --disable-dependency-tracking \
+            --with-osx_cocoa --with-macosx-version-min=${MACOSX_DEPLOYMENT_TARGET} --disable-dependency-tracking \
             --disable-compat30  --enable-mimetype --enable-aui --with-opengl \
             --enable-webview --enable-webviewwebkit --disable-mdi --disable-mdidoc --disable-loggui \
             --disable-xrc --disable-stc --disable-ribbon --disable-htmlhelp --disable-mediactrl \
@@ -47,7 +47,7 @@ export CPP="clang -E"
 export CFLAGS="-g"
 ../configure  --prefix=${BASE_DEPS_DIR} --libdir=${BASE_DEPS_DIR}/libdbg \
             --enable-debug --enable-debug_info --disable-optimise --enable-universal_binary=${BINARY_PLATFORMS} \
-            --with-osx_cocoa --with-macosx-version-min=11.0 --disable-dependency-tracking \
+            --with-osx_cocoa --with-macosx-version-min=${MACOSX_DEPLOYMENT_TARGET} --disable-dependency-tracking \
             --disable-compat30  --enable-mimetype --enable-aui --with-opengl \
             --enable-webview --enable-webviewwebkit --disable-mdi --disable-mdidoc --disable-loggui \
             --disable-xrc --disable-stc --disable-ribbon --disable-htmlhelp --disable-mediactrl \