{
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  "path": "/viewtopic.php?t=33137&p=271975#p271975",
  "publishedAt": "2026-04-07T11:30:06.000Z",
  "site": "http://forum.palemoon.org",
  "textContent": "I found a problem, I can't specify path to the old build tools in .mozconfig.\n\n\nCODE:\n\n\n    export CC=C:/PROGRA~1/MIB055~1/18/COMMUN~1/VC/Tools/MSVC/1444~1.352/bin/HostX64/x64/cl.exeexport LD=C:/PROGRA~1/MIB055~1/18/COMMUN~1/VC/Tools/MSVC/1444~1.352/bin/HostX64/x64/link.exe\n\nThis makes the Python script crap out.\n\n\nCODE:\n\n\n     0:01.61 c:\\mozilla-build\\bin\\mozmake.EXE -f client.mk MOZ_PARALLEL_BUILD=8 -s 0:10.53 Adding client.mk options from c:/Users/User/source/repos/Pale-Moon/.mozconfig: 0:10.53 CONFIG_GUESS=x86_64-pc-mingw32 0:10.53 AUTOCLOBBER=1 0:10.53 MOZ_MAKE_FLAGS=-j8 0:10.53 MOZ_OBJDIR=c:/Users/User/source/repos/build/obj-pm-x64-sse2-release 0:10.53 OBJDIR=c:/Users/User/source/repos/build/obj-pm-x64-sse2-release 0:10.53 FOUND_MOZCONFIG=c:/Users/User/source/repos/Pale-Moon/.mozconfig 0:10.70 Generating c:/Users/User/source/repos/Pale-Moon/configure 0:10.83 Generating c:/Users/User/source/repos/Pale-Moon/platform/configure 0:13.22 cd c:/Users/User/source/repos/build/obj-pm-x64-sse2-release 0:13.24 c:/Users/User/source/repos/Pale-Moon/configure 0:14.49 Reexecuting in the virtualenv 0:15.08 Adding configure options from c:\\Users\\User\\source\\repos\\Pale-Moon\\.mozconfig 0:15.08 --target=x86_64-pc-mingw32 0:15.08 --host=x86_64-pc-mingw32 0:15.08 --enable-application=palemoon 0:15.08 --enable-optimize=-O2 -GTs -GS- -favor:AMD64 -Qspectre -utf-8 0:15.08 --enable-official-branding 0:15.08 --enable-update-channel=release 0:15.08 --disable-updater 0:15.08 --disable-precompiled-startupcache 0:15.08 --enable-jemalloc 0:15.08 --enable-strip 0:15.08 --disable-parental-controls 0:15.08 --disable-accessibility 0:15.08 --disable-gamepad 0:15.08 --disable-webrtc 0:15.09 --enable-av1 0:15.09 CC=C:/PROGRA~1/MIB055~1/18/COMMUN~1/VC/Tools/MSVC/1444~1.352/bin/HostX64/x64/cl.exe 0:15.09 LD=C:/PROGRA~1/MIB055~1/18/COMMUN~1/VC/Tools/MSVC/1444~1.352/bin/HostX64/x64/link.exe 0:15.09 MOZILLA_OFFICIAL=1 0:15.09 MOZ_PKG_SPECIAL=sse2 0:15.09 MC_OFFICIAL=1 0:15.09 BUILD_ARCH=x64 0:15.09 WIN_UCRT_REDIST_DIR=C:/Program Files (x86)/Windows Kits/10/Redist/10.0.26100.0/ucrt/DLLs/x64 0:15.09 BUILD_64=1 0:15.09 WIN32_REDIST_DIR=C:/Program Files/Microsoft Visual Studio/18/Community/VC/Redist/MSVC/14.44.35112/x64/Microsoft.VC143.CRT 0:15.25 checking for a shell... C:/mozilla-build/msys/bin/sh.exe 0:15.66 checking for host system type... x86_64-pc-mingw32 0:16.04 checking for target system type... x86_64-pc-mingw32 0:16.11 checking whether cross compiling... no 0:16.13 checking for pkg_config... not found 0:16.13 checking for yasm... c:/mozilla-build/bin/yasm.EXE 0:16.14 checking yasm version... 1.3.0 0:16.26 Traceback (most recent call last): 0:16.27 File \"c:/Users/User/source/repos/Pale-Moon/configure.py\", line 32, in <module> 0:16.27 sys.exit(main(sys.argv)) 0:16.27 File \"c:/Users/User/source/repos/Pale-Moon/configure.py\", line 24, in main 0:16.27 sandbox.run(os.path.join(os.path.dirname(__file__), 'moz.configure')) 0:16.27 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\configure\\__init__.py\", line 364, in run 0:16.27 func(*args) 0:16.27 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\configure\\__init__.py\", line 407, in _value_for 0:16.27 return self._value_for_depends(obj, need_help_dependency) 0:16.27 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\util.py\", line 925, in method_call 0:16.27 cache[args] = self.func(instance, *args) 0:16.27 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\configure\\__init__.py\", line 417, in _value_for_depends 0:16.28 return obj.result 0:16.28 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\util.py\", line 943, in __get__ 0:16.28 setattr(instance, name, self.func(instance)) 0:16.28 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\configure\\__init__.py\", line 90, in result 0:16.28 return self.func(*resolved_args) 0:16.28 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\configure\\__init__.py\", line 933, in wrapped 0:16.28 return new_func(*args, **kwargs) 0:16.28 File \"c:/Users/User/source/repos/Pale-Moon/platform/build/moz.configure/util.configure\", line 380, in wrapper 0:16.28 return func(*args) 0:16.29 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\configure\\__init__.py\", line 933, in wrapped 0:16.29 return new_func(*args, **kwargs) 0:16.29 File \"c:/Users/User/source/repos/Pale-Moon/platform/build/moz.configure/toolchain.configure\", line 574, in provided_compiler 0:16.29 cmd = shell_split(cmd[0]) 0:16.29 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\shellutil.py\", line 173, in split 0:16.29 return _ClineSplitter(s).result 0:16.29 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\shellutil.py\", line 61, in __init__ 0:16.29 self._parse_unquoted() 0:16.29 File \"c:\\Users\\User\\source\\repos\\Pale-Moon\\platform\\python\\mozbuild\\mozbuild\\shellutil.py\", line 113, in _parse_unquoted 0:16.29 raise MetaCharacterException(match['special']) 0:16.29 mozbuild.shellutil.MetaCharacterException 0:16.30 *** Fix above errors and then restart with\\ 0:16.30 \"c:/mozilla-build/bin/mozmake.EXE -f client.mk build\" 0:16.32 mozmake.EXE[2]: *** [c:/Users/User/source/repos/Pale-Moon/client.mk;370: configure] Error 1 0:16.34 mozmake.EXE[1]: *** [c:/Users/User/source/repos/Pale-Moon/client.mk;383: c:/Users/User/source/repos/build/obj-pm-x64-sse2-release/config.status] Error 2 0:16.34 mozmake.EXE: *** [client.mk;164: build] Error 2 0:16.41 0 compiler warnings present.\n\nWhile specifying full path in quotes gets the path wrong.\n\n\nCODE:\n\n\n    export CC=\"C:/Program Files/Microsoft Visual Studio/18/Community/VC/Tools/MSVC/14.44.35207/bin/HostX64/x64/cl.exe\"export LD=\"C:/Program Files/Microsoft Visual Studio/18/Community/VC/Tools/MSVC/14.44.35207/bin/HostX64/x64/link.exe\"\n\nCODE:\n\n\n     0:01.21 c:\\mozilla-build\\bin\\mozmake.EXE -f client.mk MOZ_PARALLEL_BUILD=8 -s 0:09.44 Adding client.mk options from c:/Users/User/source/repos/Pale-Moon/.mozconfig: 0:09.44 CONFIG_GUESS=x86_64-pc-mingw32 0:09.44 AUTOCLOBBER=1 0:09.45 MOZ_MAKE_FLAGS=-j8 0:09.45 MOZ_OBJDIR=c:/Users/User/source/repos/build/obj-pm-x64-sse2-release 0:09.45 OBJDIR=c:/Users/User/source/repos/build/obj-pm-x64-sse2-release 0:09.45 FOUND_MOZCONFIG=c:/Users/User/source/repos/Pale-Moon/.mozconfig 0:11.72 cd c:/Users/User/source/repos/build/obj-pm-x64-sse2-release 0:11.74 c:/Users/User/source/repos/Pale-Moon/configure 0:12.95 Reexecuting in the virtualenv 0:13.51 Adding configure options from c:\\Users\\User\\source\\repos\\Pale-Moon\\.mozconfig 0:13.51 --target=x86_64-pc-mingw32 0:13.51 --host=x86_64-pc-mingw32 0:13.51 --enable-application=palemoon 0:13.51 --enable-optimize=-O2 -GTs -GS- -favor:AMD64 -Qspectre -utf-8 0:13.51 --enable-official-branding 0:13.51 --enable-update-channel=release 0:13.51 --disable-updater 0:13.52 --disable-precompiled-startupcache 0:13.52 --enable-jemalloc 0:13.52 --enable-strip 0:13.52 --disable-parental-controls 0:13.52 --disable-accessibility 0:13.52 --disable-gamepad 0:13.52 --disable-webrtc 0:13.52 --enable-av1 0:13.52 CC=C:/Program Files/Microsoft Visual Studio/18/Community/VC/Tools/MSVC/14.44.35207/bin/HostX64/x64/cl.exe 0:13.52 LD=C:/Program Files/Microsoft Visual Studio/18/Community/VC/Tools/MSVC/14.44.35207/bin/HostX64/x64/link.exe 0:13.52 MOZILLA_OFFICIAL=1 0:13.52 MOZ_PKG_SPECIAL=sse2 0:13.53 MC_OFFICIAL=1 0:13.53 BUILD_ARCH=x64 0:13.53 WIN_UCRT_REDIST_DIR=C:/Program Files (x86)/Windows Kits/10/Redist/10.0.26100.0/ucrt/DLLs/x64 0:13.53 BUILD_64=1 0:13.53 WIN32_REDIST_DIR=C:/Program Files/Microsoft Visual Studio/18/Community/VC/Redist/MSVC/14.44.35112/x64/Microsoft.VC143.CRT 0:13.69 checking for a shell... C:/mozilla-build/msys/bin/sh.exe 0:14.09 checking for host system type... x86_64-pc-mingw32 0:14.46 checking for target system type... x86_64-pc-mingw32 0:14.52 checking whether cross compiling... no 0:14.53 checking for pkg_config... not found 0:14.53 checking for yasm... c:/mozilla-build/bin/yasm.EXE 0:14.54 checking yasm version... 1.3.0 0:14.64 checking for the target C compiler... not found 0:14.65 DEBUG: _cc: Trying Studio/18/Community/VC/Tools/MSVC/14.44.35207/bin/HostX64/x64/cl.exe 0:14.65 ERROR: Cannot find the target C compiler 0:14.71 *** Fix above errors and then restart with\\ 0:14.71 \"c:/mozilla-build/bin/mozmake.EXE -f client.mk build\" 0:14.73 mozmake.EXE[2]: *** [c:/Users/User/source/repos/Pale-Moon/client.mk;370: configure] Error 1 0:14.73 mozmake.EXE[1]: *** [c:/Users/User/source/repos/Pale-Moon/client.mk;383: c:/Users/User/source/repos/build/obj-pm-x64-sse2-release/config.status] Error 2 0:14.73 mozmake.EXE: *** [client.mk;164: build] Error 2 0:14.79 0 compiler warnings present.\n\nMy copy of the repo is in the state before the new Python 3 commits.\n\nFull .mozconfig:\n\n\nCODE:\n\n\n    # Tell the build system if we're building 64-bit.# Set this to `BUILD_64=` for 32-bit, leave as-is for default 64-bitBUILD_64=1# Processor architecture specific build optionsif [ -n \"$BUILD_64\" ]; then BUILD_ARCH=x64 ac_add_options --target=x86_64-pc-mingw32 ac_add_options --host=x86_64-pc-mingw32else BUILD_ARCH=x86fi# Automatically clobber if CLOBBER was touchedmk_add_options AUTOCLOBBER=1# Application and targetac_add_options --enable-application=palemoonexport MOZ_PKG_SPECIAL=sse2mk_add_options MOZ_OBJDIR=../build/obj-pm-x64-sse2-release# Build options# Adjust the -j parameter if you need more or fewer parallel build tasks# Maximum supported without build errors is around 32, and it's recommended to set this to # number of cores in your CPU -2mk_add_options MOZ_MAKE_FLAGS=\"-j8\"#ac_add_options --enable-optimize=\"-O2 -GTs -GS- -Qspectre -utf-8\"ac_add_options --enable-optimize=\"-O2 -GTs -GS- -favor:AMD64 -Qspectre -utf-8\"# Please see https://www.palemoon.org/redist.shtml for restrictions when using the official branding.ac_add_options --enable-official-brandingexport MC_OFFICIAL=1export MOZILLA_OFFICIAL=1# Only enable the internal updater if you supply automatic update infrastructure# and have configured the relevant preferences in your branding!ac_add_options --enable-update-channel=releaseac_add_options --disable-updater# Enabling this only offers marginal benefits on first start and may not work on own buildsac_add_options --disable-precompiled-startupcacheac_add_options --enable-jemallocac_add_options --enable-stripac_add_options --disable-parental-controlsac_add_options --disable-accessibilityac_add_options --disable-gamepadac_add_options --disable-webrtcac_add_options --enable-av1export CC=\"C:/Program Files/Microsoft Visual Studio/18/Community/VC/Tools/MSVC/14.44.35207/bin/HostX64/x64/cl.exe\"export LD=\"C:/Program Files/Microsoft Visual Studio/18/Community/VC/Tools/MSVC/14.44.35207/bin/HostX64/x64/link.exe\"WIN32_REDIST_DIR=\"C:/Program Files/Microsoft Visual Studio/18/Community/VC/Redist/MSVC/14.44.35112/$BUILD_ARCH/Microsoft.VC143.CRT\"WIN_UCRT_REDIST_DIR=\"C:/Program Files (x86)/Windows Kits/10/Redist/10.0.26100.0/ucrt/DLLs/$BUILD_ARCH\"\n\nI initially used $BUILD_ARCH for the final subfolder before cl.exe / link.exe, just simplified it for testing.\n\n* * *",
  "title": "Browser Development • Re: Visual Studio 2026",
  "updatedAt": "2026-04-07T11:30:06.000Z"
}