Use older MacOS SDK to build app

Makefile

@@ -25,9 +25,9 @@ all: frontend pob
 sign:
 	echo 'Signing with the first available identity'; \
 	rm -rf PathOfBuilding.app/Contents/MacOS/spec/TestBuilds/3.13; \
-    codesign --force --deep --sign $$(security find-identity -v -p codesigning | grep Distribution | awk 'FNR == 1 {print $$2}') PathOfBuilding.app/Contents/MacOS/lcurl.so PathOfBuilding.app/Contents/libs/*; \
-	codesign --force --deep --sign $$(security find-identity -v -p codesigning | grep Distribution | awk 'FNR == 1 {print $$2}') PathOfBuilding.app/Contents/MacOS/PathOfBuilding; \
-	codesign --force --deep --sign $$(security find-identity -v -p codesigning | grep Distribution | awk 'FNR == 1 {print $$2}') PathOfBuilding.app; \
+    codesign -v --force --deep --sign $$(security find-identity -v -p codesigning | grep Distribution | awk 'FNR == 1 {print $$2}') PathOfBuilding.app/Contents/MacOS/lcurl.so PathOfBuilding.app/Contents/libs/*; \
+	codesign -v --force --deep --sign $$(security find-identity -v -p codesigning | grep Distribution | awk 'FNR == 1 {print $$2}') PathOfBuilding.app/Contents/MacOS/PathOfBuilding; \
+	codesign -v --force --deep --sign $$(security find-identity -v -p codesigning | grep Distribution | awk 'FNR == 1 {print $$2}') PathOfBuilding.app; \
 	codesign -d -v PathOfBuilding.app
 
 # We remove the `launch.devMode or` to ensure the user's builds are stored not in

editLuaCurlMakefile.sh

@@ -26,4 +26,4 @@ if ! grep -q "LDFLAGS           =" Makefile; then
 LDFLAGS           = -Wl,-no_fixup_chains
 ' Makefile
 fi
-popd
+popd

meson.build

@@ -14,8 +14,13 @@ curl_dep = dependency('libcurl')
 
 # Added flag based on https://stackoverflow.com/a/37729971/319066
 # and arguments based on https://mesonbuild.com/Adding-arguments.html
-add_project_arguments('-mmacos-version-min=10.12', language : 'c')
-add_project_arguments('-mmacos-version-min=10.12', language : 'cpp')
+compiler_arguments = ['-mmacosx-version-min=10.12', '-isysroot', '/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk']
+add_project_arguments(compiler_arguments , language : 'c')
+add_project_arguments(compiler_arguments, language : 'cpp')
+
+linker_arguments = ['-mmacosx-version-min=10.12', '-isysroot', '/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk']
+add_project_link_arguments(linker_arguments, language : 'c')
+add_project_link_arguments(linker_arguments, language : 'cpp')
 
 # Import the extension module that knows how
 # to invoke Qt tools.