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| author | Bryce Kwon <bryce@brycekwon.com> | |
|---|---|---|
| committer | Bryce Kwon <bryce@brycekwon.com> | |
| commit | ||
| parent | ||
| tree | ||
| download | ||
Rename the release script to build-release.sh
Named like build-development.sh, so the two sort together in tools/.
Diffstat (limited to 'tools/release-build.sh')
| -rwxr-xr-x | tools/release-build.sh | 94 |
1 file changed, 0 insertions, 94 deletions
diff --git a/tools/release-build.sh b/tools/release-build.sh deleted file mode 100755 index fc280ae..0000000 --- a/tools/release-build.sh +++ /dev/null @@ -1,94 +0,0 @@ -#!/bin/sh - -# Build cgit for a release with Linux hardening flags, which are ELF and GCC or -# Clang specific. The flags add a stack protector, fortified libc calls, a -# position independent executable, and full RELRO. By default Lua is pinned off -# so the binary needs no Lua at runtime, and running it as -# ./tools/release-build.sh lua links in the backend behind the "lua:" filter -# prefix instead, which needs a Lua dev package installed. - -set -eu - -if test "$#" -gt 1 -then - echo "usage: $0 [lua]" >&2 - exit 2 -fi -case "${1:-}" in -"") - set -- NO_LUA=1 - ;; -lua) - set -- - ;; -*) - echo "$0: unknown argument \"$1\", expected \"lua\" or nothing" >&2 - exit 2 - ;; -esac - -# Every make target below is written relative to the repository root. -cd "$(dirname "$0")/.." - -CC=${CC:-cc} - -# Not every hardening flag exists on every toolchain, and an unknown one would -# fail the build rather than be ignored, so the ones that might be missing are -# compiled before they are used. The argument is left unquoted so a caller can -# probe several flags at once. -supports() { - printf 'int main(void){return 0;}\n' >"$probe.c" - $CC $1 -o "$probe.out" "$probe.c" >/dev/null 2>&1 -} - -# The template is spelled out rather than passed with -t, whose handling of a -# prefix differs between the GNU and BSD versions. -probe=$(mktemp "${TMPDIR:-/tmp}/cgit-probe.XXXXXX") -trap 'rm -f "$probe" "$probe.c" "$probe.out"' EXIT - -CFLAGS="-O2 -g -Wall -fstack-protector-strong -fPIE -fno-plt" - -# Level 3 adds the bounds checks level 2 could not prove, and needs GCC 12 or -# Clang 15. Fall back rather than lose fortification altogether. -if supports "-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -O2" -then - CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3" -else - CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2" -fi - -# Without this a large stack frame can step over a guard page rather than -# touch it. -if supports "-fstack-clash-protection" -then - CFLAGS="$CFLAGS -fstack-clash-protection" -fi - -# The debug info otherwise records the absolute build directory, so the same -# sources built in two checkouts would differ. -if supports "-ffile-prefix-map=/x=." -then - CFLAGS="$CFLAGS -ffile-prefix-map=$PWD=." -fi - -LDFLAGS="-pie -Wl,-z,relro,-z,now -Wl,-z,noexecstack" - -# These reach only the cgit objects, so git's own sources are not held to them. -# -Wformat-security is an error because a non-literal format with no arguments -# is never intentional. -Wformat-nonliteral would catch the module-link shape, -# a non-literal that does take arguments, but it also fires on va_list -# forwarding and on local format constants, so it is left to manual runs when -# touching anything that formats. -# -# make cgit CGIT_EXTRA_CFLAGS=-Wformat-nonliteral -# -CGIT_EXTRA_CFLAGS="-Wformat -Wformat-security -Werror=format-security" - -# The build starts from clean so the bundled git objects pick up the same -# flags, and cleanall rather than clean because only cleanall descends into -# vendor/git. CC goes on the command line because git's Makefile sets it, -# which would override the one from the environment the flags were probed -# with. -make cleanall -exec make "$@" CC="$CC" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" \ - CGIT_EXTRA_CFLAGS="$CGIT_EXTRA_CFLAGS" |
