diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 209 |
1 files changed, 124 insertions, 85 deletions
@@ -7,29 +7,110 @@ set -eu -# Default to `make` -MAKE="${MAKE:-make}" - -# Pass -j$(nproc) unless MAKEFLAGS is set -if [ "${MAKEFLAGS+y}" ]; then - j="" -else - j="-j$({ nproc || sysctl -n hw.ncpu || getconf _NPROCESSORS_ONLN || echo 1; } 2>/dev/null)" -fi - -# Convert kebab-case to UPPER_CASE -toupper() { - printf '%s' "$1" | tr 'a-z-' 'A-Z_' +# Get the relative path to the source tree based on how the script was run +DIR=$(dirname -- "$0") + +# Print the help message +help() { + cat <<EOF +Usage: + + \$ $0 [--enable-*|--disable-*] [--with-*|--without-*] [CC=...] [...] + \$ $MAKE -j$(_nproc) + +Variables set in the environment or on the command line will be picked up: + + MAKE + The make implementation to use + CC + The C compiler to use + + CPPFLAGS="-I... -D..." + CFLAGS="-W... -f..." + LDFLAGS="-L... -Wl,..." + Preprocessor/compiler/linker flags + + LDLIBS="-l... -l..." + Dynamic libraries to link + + EXTRA_{CPPFLAGS,CFLAGS,LDFLAGS,LDLIBS} + Adds to the default flags, instead of replacing them + +The default flags result in a plain debug build. Other build profiles include: + + --enable-release + Enable optimizations, disable assertions + --enable-{asan,lsan,msan,tsan,ubsan} + Enable sanitizers + --enable-gcov + Enable code coverage instrumentation + +External dependencies are auto-detected by default, but you can build --with or +--without them explicitly: + + --with-libacl --without-libacl + --with-libcap --without-libcap + --with-libselinux --without-libselinux + --with-liburing --without-liburing + --with-oniguruma --without-oniguruma + +Packaging: + + --prefix=/path + Set the installation prefix (default: /usr) + --mandir=/path + Set the man page directory (default: \$PREFIX/share/man) + --version=X.Y.Z + Set the version string (default: $("$DIR/build/version.sh")) + +This script is a thin wrapper around a makefile-based configuration system. +Any other arguments will be passed directly to the $MAKE invocation, e.g. + + \$ $0 -j$(_nproc) V=1 +EOF +} + +# Report a warning +warn() { + fmt="$1" + shift + printf "%s: warning: $fmt\\n" "$0" "$@" >&2 } # Report an argument parsing error invalid() { - printf 'error: Unrecognized option "%s"\n\n' "$1" >&2 + printf '%s: error: Unrecognized option "%s"\n\n' "$0" "$1" >&2 printf 'Run %s --help for more information.\n' "$0" >&2 exit 1 } +# Get the number of cores to use +_nproc() { + { + nproc \ + || sysctl -n hw.ncpu \ + || getconf _NPROCESSORS_ONLN \ + || echo 1 + } 2>/dev/null +} + +# Save the ./configure command line for bfs --version +export CONFFLAGS="" + +# Default to `make` +MAKE="${MAKE-make}" + +# Parse the command-line arguments for arg; do + shift + + # Only add --options to CONFFLAGS, so we don't print FLAG=values twice in bfs --version + case "$arg" in + -*) + CONFFLAGS="${CONFFLAGS}${CONFFLAGS:+ }${arg}" + ;; + esac + # --[(enable|disable|with|without)-]$name[=$value] value="${arg#*=}" name="${arg%%=*}" @@ -69,75 +150,21 @@ for arg; do --enable-*) arg="--with-${arg#--*-}" ;; --disable-*) arg="--without-${arg#--*-}" ;; esac - printf 'warning: Treating "%s" like "%s"\n' "$old" "$arg" >&2 + warn 'Treating "%s" like "%s"' "$old" "$arg" ;; esac - ;; + ;; esac case "$arg" in -h|--help) - cat <<EOF -Usage: - - \$ $0 [--enable-*|--disable-*] [--with-*|--without-*] [CC=...] [...] - \$ $MAKE $j - -Variables set in the environment or on the command line will be picked up: - - MAKE - The make implementation to use - CC - The C compiler to use - - CPPFLAGS="-I... -D..." - CFLAGS="-W... -f..." - LDFLAGS="-L... -Wl,..." - Preprocessor/compiler/linker flags - - LDLIBS="-l... -l..." - Dynamic libraries to link - - EXTRA_{CPPFLAGS,CFLAGS,LDFLAGS,LDLIBS} - Adds to the default flags, instead of replacing them - -The default flags result in a plain debug build. Other build profiles include: - - --enable-release - Enable optimizations, disable assertions - --enable-{asan,lsan,msan,tsan,ubsan} - Enable sanitizers - --enable-gcov - Enable code coverage instrumentation - -External dependencies are auto-detected by default, but you can build --with or ---without them explicitly: - - --with-libacl --without-libacl - --with-libcap --without-libcap - --with-libselinux --without-libselinux - --with-liburing --without-liburing - --with-oniguruma --without-oniguruma - -Packaging: - - --prefix=/path - Set the installation prefix (default: /usr) - --mandir=/path - Set the man page directory (default: \$PREFIX/share/man) - -This script is a thin wrapper around a makefile-based configuration system. -Any other arguments will be passed directly to the $MAKE invocation, e.g. - - \$ $0 $j V=1 -EOF + help exit 0 ;; --enable-*|--disable-*) case "$name" in - release|asan|lsan|msan|tsan|ubsan|lint|gcov) - shift + release|lto|asan|lsan|msan|tsan|ubsan|lint|gcov) set -- "$@" "$NAME=$yn" ;; *) @@ -149,7 +176,6 @@ EOF --with-*|--without-*) case "$name" in libacl|libcap|libselinux|liburing|oniguruma) - shift set -- "$@" "WITH_$NAME=$yn" ;; *) @@ -158,24 +184,40 @@ EOF esac ;; - --prefix=*|--mandir=*) - shift + --prefix=*|--mandir=*|--version=*) set -- "$@" "$NAME=$value" ;; --infodir=*|--build=*|--host=*|--target=*) - shift - printf 'warning: Ignoring option "%s"\n' "$arg" >&2 + warn 'Ignoring option "%s"' "$arg" ;; MAKE=*) - shift MAKE="$value" ;; + # Warn about MAKE variables that have documented configure flags + RELEASE=*|LTO=*|ASAN=*|LSAN=*|MSAN=*|TSAN=*|UBSAN=*|LINT=*|GCOV=*) + name=$(printf '%s' "$NAME" | tr 'A-Z_' 'a-z-') + warn '"%s" is deprecated; use --enable-%s' "$arg" "$name" + set -- "$@" "$arg" + ;; + + PREFIX=*|MANDIR=*|VERSION=*) + name=$(printf '%s' "$NAME" | tr 'A-Z_' 'a-z-') + warn '"%s" is deprecated; use --%s=%s' "$arg" "$name" "$value" + set -- "$@" "$arg" + ;; + + WITH_*=*) + name=$(printf '%s' "$NAME" | tr 'A-Z_' 'a-z-') + warn '"%s" is deprecated; use --%s' "$arg" "$name" + set -- "$@" "$arg" + ;; + # make flag (-j2) or variable (CC=clang) -*|*=*) - continue + set -- "$@" "$arg" ;; *) @@ -184,15 +226,12 @@ EOF esac done -# Get the relative path to the source tree based on how the script was run -DIR=$(dirname -- "$0") - # Set up symbolic links for out-of-tree builds -for f in Makefile build completions docs src tests; do +for f in Makefile bench build completions docs src tests; do test -e "$f" || ln -s "$DIR/$f" "$f" done -# Set MAKEFLAGS to -j$(nproc) if it's unset -export MAKEFLAGS="${MAKEFLAGS-$j}" +# Set MAKEFLAGS to -j$(_nproc) if it's unset +export MAKEFLAGS="${MAKEFLAGS--j$(_nproc)}" $MAKE -rf build/config.mk "$@" |