Build Configuration

Please be aware that this page doesn't reflect all the options used to build Tor Browser Nightly.

Source

Built from https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/51b4993cf9d823439984ed82caa7864f4208f70b

Build platform

target
x86_64-apple-darwin

Build tools

Compiler	Version	Compiler flags
/var/tmp/dist/macosx-toolchain/clang/bin/clang -isysroot /var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -target x86_64-apple-darwin -B /var/tmp/dist/macosx-toolchain/cctools/bin -isysroot /var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -Werror=format -Werror=format-security -fstack-protector-strong -D_FORTIFY_SOURCE=2 -mmacosx-version-min=10.15	19.1.7	-pthread -ffunction-sections -fdata-sections -fno-math-errno -fPIC
/var/tmp/dist/macosx-toolchain/clang/bin/clang++ -isysroot /var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -target x86_64-apple-darwin -B /var/tmp/dist/macosx-toolchain/cctools/bin -isysroot /var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -Werror=format -Werror=format-security -fstack-protector-strong -D_FORTIFY_SOURCE=2 -mmacosx-version-min=10.15 -stdlib=libc++	19.1.7	-fno-rtti -pthread -fno-sized-deallocation -fno-aligned-new -ffunction-sections -fdata-sections -fno-math-errno -fno-exceptions -fPIC -gdwarf-4 -O3 -fno-omit-frame-pointer -funwind-tables
/var/tmp/dist/rust/bin/rustc	1.86.0

Configure options

--target=x86_64-apple-darwin MOZILLA_OFFICIAL=1 --enable-update-channel=nightly HOST_CFLAGS=-g HOST_CXXFLAGS=-g HOST_LDFLAGS=-g 'LDFLAGS=-Wl,-syslibroot,/var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -Wl,-pie' MACOS_SDK_DIR=/var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk MACOS_PRIVATE_FRAMEWORKS_DIR=/var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk/System/Library/PrivateFrameworks TOOLCHAIN_PREFIX=/var/tmp/dist/macosx-toolchain/cctools/bin/x86_64-apple-darwin- 'CC=/var/tmp/dist/macosx-toolchain/clang/bin/clang -target x86_64-apple-darwin -B /var/tmp/dist/macosx-toolchain/cctools/bin -isysroot /var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -Werror=format -Werror=format-security -fstack-protector-strong -D_FORTIFY_SOURCE=2' 'CXX=/var/tmp/dist/macosx-toolchain/clang/bin/clang++ -target x86_64-apple-darwin -B /var/tmp/dist/macosx-toolchain/cctools/bin -isysroot /var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -Werror=format -Werror=format-security -fstack-protector-strong -D_FORTIFY_SOURCE=2' MOZ_SOURCE_REPO=https://gitlab.torproject.org/tpo/applications/tor-browser MOZ_SOURCE_CHANGESET=51b4993cf9d823439984ed82caa7864f4208f70b --with-distribution-id=org.torproject 'BINDGEN_CFLAGS=-target x86_64-apple-darwin -B /var/tmp/dist/macosx-toolchain/cctools/bin -isysroot /var/tmp/dist/macosx-toolchain/MacOSX15.5.sdk -Werror=format -Werror=format-security -fstack-protector-strong -D_FORTIFY_SOURCE=2' --enable-js-shell --enable-rust-simd --disable-eme MOZ_TELEMETRY_REPORTING= --disable-webrtc --enable-proxy-bypass-protection --enable-bundled-fonts WASI_SYSROOT=/var/tmp/dist/wasi-sysroot --disable-backgroundtasks MAR_CHANNEL_ID=torbrowser-torproject-nightly ACCEPTED_MAR_CHANNEL_IDS=torbrowser-torproject-nightly --enable-nss-mar --enable-base-browser-update --with-updater-url=https://nightlies.tbb.torproject.org/nightly-updates/updates/nightly-macos --with-branding=browser/branding/tb-nightly 'MOZ_APP_REMOTINGNAME=Tor Browser Nightly' --disable-crashreporter --disable-parental-controls DMG_TOOL=/var/tmp/dist/libdmg-hfsplus/dmg --disable-system-policies --disable-legacy-profile-creation MKFSHFS=/var/tmp/dist/hfsplus-tools/newfs_hfs HFS_TOOL=/var/tmp/dist/libdmg-hfsplus/hfsplus DSYMUTIL=/var/tmp/dist/macosx-toolchain/clang/bin/dsymutil --enable-strip --with-relative-data-dir=../TorBrowser-Data/Browser --with-base-browser-version=tbb-nightly.2025.12.03