I got the same error message here. for Xcode and CLI are 15.1 version.
x86_64-w64-mingw32-gcc -c -o dlls/wow64win/gdi.cross.o /private/tmp/game-porting-toolkit-20240518-18765-vnc35t/wine/dlls/wow64win/gdi.c
-I dlls/wow64win -I /private/tmp/game-porting-toolkit-20240518-18765-vnc35t/wine/dlls/wow64win -I
include -I /private/tmp/game-porting-toolkit-20240518-18765-vnc35t/wine/include -I
/private/tmp/game-porting-toolkit-20240518-18765-vnc35t/wine/include/msvcrt -D__WINESRC__
-D_MSVCR_VER=0 -D__WINE_PE_BUILD -Wall -fno-strict-aliasing -Wdeclaration-after-statement
-Wempty-body -Wignored-qualifiers -Winit-self -Wno-packed-not-aligned -Wshift-overflow=2
-Wstrict-prototypes -Wtype-limits -Wunused-but-set-parameter -Wvla -Wwrite-strings -Wpointer-arith
-Wlogical-op -Wabsolute-value -Wno-format -Wformat-overflow -Wnonnull -mcx16 -gdwarf-4 -Wformat
-g -O2
/private/tmp/game-porting-toolkit-20240518-18765-vnc35t/wine/dlls/wow64cpu/cpu.c: In function 'BTCpuResetToConsistentState':
/private/tmp/game-porting-toolkit-20240518-18765-vnc35t/wine/dlls/wow64cpu/cpu.c:356:18: error: assignment to 'DWORD64' {aka 'long long unsigned int'} from 'PVOID' {aka 'void '} makes integer from pointer without a cast [-Wint-conversion]
356 | context->Rsp = NtCurrentTeb()->TlsSlots[2]; / WOW64_TLS_WINEHYBRID_RESERVED_R14 */
| ^
make: *** [dlls/wow64cpu/cpu.cross.o] Error 1
make: *** Waiting for unfinished jobs....
HOMEBREW_VERSION: 4.3.0
ORIGIN: https://github.com/Homebrew/brew
HEAD: 8378cc825d83acffd125fb0fec041793df378a57
Last commit: 4 days ago
Core tap JSON: 18 May 05:05 UTC
Core cask tap JSON: 18 May 05:05 UTC
HOMEBREW_PREFIX: /usr/local
HOMEBREW_CASK_OPTS: []
HOMEBREW_MAKE_JOBS: 10
Homebrew Ruby: 3.1.4 => /usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/bin/ruby
CPU: 10-core 64-bit westmere
Clang: 15.0.0 build 1500
Git: 2.39.3 => /Applications/Xcode.app/Contents/Developer/usr/bin/git
Curl: 8.4.0 => /usr/bin/curl
macOS: 14.4.1-x86_64
CLT: 15.1.0.0.1.1700200546
Xcode: 15.1
Rosetta 2: true