diff --git a/cmake/macos_aarch64_toolchain_clang.cmake b/cmake/macos_aarch64_toolchain_clang.cmake
index 90342ec..23d8d3e 100644
--- a/cmake/macos_aarch64_toolchain_clang.cmake
+++ b/cmake/macos_aarch64_toolchain_clang.cmake
@@ -9,13 +9,24 @@ set(CMAKE_ASM_COMPILER /usr/local/bin/aarch64-apple-darwin25-as)
 set(CMAKE_STRIP /usr/local/bin/aarch64-apple-darwin25-strip)
 
 if(NOT DEFINED CMAKE_OSX_SYSROOT)
-execute_process(
-		COMMAND ${CMAKE_C_COMPILER} -print-sysroot
-		OUTPUT_VARIABLE _OSX_SYSROOT
-		OUTPUT_STRIP_TRAILING_WHITESPACE
-	)
-	set(CMAKE_OSX_SYSROOT "${_OSX_SYSROOT}")
+	if(DEFINED ENV{SDKROOT} AND IS_DIRECTORY "$ENV{SDKROOT}")
+		set(CMAKE_OSX_SYSROOT "$ENV{SDKROOT}")
+	else()
+		foreach(_sdk_root "/usr/local/target/SDK" "/usr/local/osxcross/target/SDK" "/osxcross/target/SDK")
+			if(IS_DIRECTORY "${_sdk_root}")
+				file(GLOB _sdk_candidates "${_sdk_root}/MacOSX*.sdk")
+				list(SORT _sdk_candidates)
+				list(REVERSE _sdk_candidates)
+				if(_sdk_candidates)
+					list(GET _sdk_candidates 0 CMAKE_OSX_SYSROOT)
+					break()
+				endif()
+			endif()
+		endforeach()
+	endif()
 endif()
 
-set(CMAKE_SYSROOT "${CMAKE_OSX_SYSROOT}")
-set(CMAKE_SYSTEM_FRAMEWORK_PATH "${CMAKE_OSX_SYSROOT}/System/Library/Frameworks")
+if(DEFINED CMAKE_OSX_SYSROOT AND CMAKE_OSX_SYSROOT)
+	set(CMAKE_SYSROOT "${CMAKE_OSX_SYSROOT}")
+	set(CMAKE_SYSTEM_FRAMEWORK_PATH "${CMAKE_OSX_SYSROOT}/System/Library/Frameworks")
+endif()
diff --git a/cmake/macos_x86_64_toolchain_clang.cmake b/cmake/macos_x86_64_toolchain_clang.cmake
index 9034d6b..bc4d708 100644
--- a/cmake/macos_x86_64_toolchain_clang.cmake
+++ b/cmake/macos_x86_64_toolchain_clang.cmake
@@ -9,13 +9,24 @@ set(CMAKE_ASM_COMPILER /usr/local/bin/x86_64-apple-darwin25-as)
 set(CMAKE_STRIP /usr/local/bin/x86_64-apple-darwin25-strip)
 
 if(NOT DEFINED CMAKE_OSX_SYSROOT)
-execute_process(
-		COMMAND ${CMAKE_C_COMPILER} -print-sysroot
-		OUTPUT_VARIABLE _OSX_SYSROOT
-		OUTPUT_STRIP_TRAILING_WHITESPACE
-	)
-	set(CMAKE_OSX_SYSROOT "${_OSX_SYSROOT}")
+	if(DEFINED ENV{SDKROOT} AND IS_DIRECTORY "$ENV{SDKROOT}")
+		set(CMAKE_OSX_SYSROOT "$ENV{SDKROOT}")
+	else()
+		foreach(_sdk_root "/usr/local/target/SDK" "/usr/local/osxcross/target/SDK" "/osxcross/target/SDK")
+			if(IS_DIRECTORY "${_sdk_root}")
+				file(GLOB _sdk_candidates "${_sdk_root}/MacOSX*.sdk")
+				list(SORT _sdk_candidates)
+				list(REVERSE _sdk_candidates)
+				if(_sdk_candidates)
+					list(GET _sdk_candidates 0 CMAKE_OSX_SYSROOT)
+					break()
+				endif()
+			endif()
+		endforeach()
+	endif()
 endif()
 
-set(CMAKE_SYSROOT "${CMAKE_OSX_SYSROOT}")
-set(CMAKE_SYSTEM_FRAMEWORK_PATH "${CMAKE_OSX_SYSROOT}/System/Library/Frameworks")
+if(DEFINED CMAKE_OSX_SYSROOT AND CMAKE_OSX_SYSROOT)
+	set(CMAKE_SYSROOT "${CMAKE_OSX_SYSROOT}")
+	set(CMAKE_SYSTEM_FRAMEWORK_PATH "${CMAKE_OSX_SYSROOT}/System/Library/Frameworks")
+endif()
diff --git a/scripts/release/macos_aarch64/p2pool_macos_aarch64.sh b/scripts/release/macos_aarch64/p2pool_macos_aarch64.sh
index 944668c..1be6bb2 100755
--- a/scripts/release/macos_aarch64/p2pool_macos_aarch64.sh
+++ b/scripts/release/macos_aarch64/p2pool_macos_aarch64.sh
@@ -19,7 +19,38 @@ flags_datetime="-D__DATE__=\"\\\"$CURRENT_DATE\\\"\" -D__TIME__=\"\\\"$CURRENT_T
 flags_libs="-Os -flto -w $flags_size $flags_datetime"
 flags_p2pool="$flags_size $flags_datetime"
 
-sdk_sysroot="$(/usr/local/bin/aarch64-apple-darwin25-clang -print-sysroot)"
+clang_bin="$(command -v aarch64-apple-darwin25-clang || true)"
+if [ -z "$clang_bin" ]; then
+	echo "aarch64-apple-darwin25-clang not found in PATH" >&2
+	exit 1
+fi
+
+find_macos_sdk() {
+	if [ -n "${SDKROOT:-}" ] && [ -d "${SDKROOT:-}" ]; then
+		echo "$SDKROOT"
+		return 0
+	fi
+
+	for base in /usr/local/target/SDK /usr/local/osxcross/target/SDK /osxcross/target/SDK; do
+		if [ -d "$base" ]; then
+			for candidate in "$base"/MacOSX*.sdk; do
+				if [ -d "$candidate" ]; then
+					echo "$candidate"
+					return 0
+				fi
+			done
+		fi
+	done
+
+	find /usr/local -maxdepth 4 -name 'MacOSX*.sdk' -type d 2>/dev/null | head -n 1
+}
+
+sdk_sysroot="$(find_macos_sdk)"
+if [ -z "$sdk_sysroot" ]; then
+	echo "Unable to locate macOS SDK sysroot. Set SDKROOT to the SDK path." >&2
+	exit 1
+fi
+
 export SDKROOT="$sdk_sysroot"
 cmake_osx_args="-DCMAKE_OSX_SYSROOT=$sdk_sysroot -DCMAKE_SYSROOT=$sdk_sysroot -DCMAKE_SYSTEM_FRAMEWORK_PATH=$sdk_sysroot/System/Library/Frameworks"
 
diff --git a/scripts/release/macos_x64/p2pool_macos_x64.sh b/scripts/release/macos_x64/p2pool_macos_x64.sh
index 8aa98a3..60755d0 100755
--- a/scripts/release/macos_x64/p2pool_macos_x64.sh
+++ b/scripts/release/macos_x64/p2pool_macos_x64.sh
@@ -19,7 +19,38 @@ flags_datetime="-D__DATE__=\"\\\"$CURRENT_DATE\\\"\" -D__TIME__=\"\\\"$CURRENT_T
 flags_libs="-Os -flto -w $flags_size $flags_datetime"
 flags_p2pool="$flags_size $flags_datetime"
 
-sdk_sysroot="$(/usr/local/bin/x86_64-apple-darwin25-clang -print-sysroot)"
+clang_bin="$(command -v x86_64-apple-darwin25-clang || true)"
+if [ -z "$clang_bin" ]; then
+	echo "x86_64-apple-darwin25-clang not found in PATH" >&2
+	exit 1
+fi
+
+find_macos_sdk() {
+	if [ -n "${SDKROOT:-}" ] && [ -d "${SDKROOT:-}" ]; then
+		echo "$SDKROOT"
+		return 0
+	fi
+
+	for base in /usr/local/target/SDK /usr/local/osxcross/target/SDK /osxcross/target/SDK; do
+		if [ -d "$base" ]; then
+			for candidate in "$base"/MacOSX*.sdk; do
+				if [ -d "$candidate" ]; then
+					echo "$candidate"
+					return 0
+				fi
+			done
+		fi
+	done
+
+	find /usr/local -maxdepth 4 -name 'MacOSX*.sdk' -type d 2>/dev/null | head -n 1
+}
+
+sdk_sysroot="$(find_macos_sdk)"
+if [ -z "$sdk_sysroot" ]; then
+	echo "Unable to locate macOS SDK sysroot. Set SDKROOT to the SDK path." >&2
+	exit 1
+fi
+
 export SDKROOT="$sdk_sysroot"
 cmake_osx_args="-DCMAKE_OSX_SYSROOT=$sdk_sysroot -DCMAKE_SYSROOT=$sdk_sysroot -DCMAKE_SYSTEM_FRAMEWORK_PATH=$sdk_sysroot/System/Library/Frameworks"