diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 71 |
1 files changed, 21 insertions, 50 deletions
@@ -1,17 +1,5 @@ #!/bin/bash -CFLAGS=(-std=c11 -fPIC) -CPPFLAGS=() -LDLIBS=() -LDFLAGS=() - -warnings=( - -Wall -Wcast-align -Wcast-qual -Wextra -Wpedantic -Wformat=2 - -Winit-self -Wmissing-prototypes -Wpointer-arith -Wshadow - -Wstrict-prototypes -Wsuggest-attribute=format - -Wsuggest-attribute=noreturn -) - usage () { echo "Usage: $0 [-h|options...]"; } help () { @@ -24,7 +12,6 @@ Options: -c when Enable compiler colours (always|auto|off) [default: auto] -d Enable debugging flags -e Enable -Werror - -f Generate a compile_flags.txt -h Show this help -o Enable optimisation flags -v Print results of configuration @@ -34,49 +21,33 @@ Environment: EOF } -check() { - what=$1 - shift - for p do - if command -v "$p" >/dev/null 2>&1; then - echo "$p" - return - fi - done - echo "$what not set or found" >&2 - return 1 -} - -CC=$(check '$CC, cc, gcc or clang' "$CC" cc gcc clang) || exit +exec 3>config.rc +conf() { echo "$1" >&3; } colour=auto -while getopts B:C:L:P:c:defhovw opt; do +while getopts B:C:L:P:c:dehovw opt; do + qopt=${OPTARG@Q} case $opt in - B) LDLIBS+=("$OPTARG");; - C) CFLAGS+=("$OPTARG");; - L) LDFLAGS+=("$OPTARG");; - P) CPPFLAGS+=("$OPTARG");; + B) conf "LDLIBS+=($qopt)";; + C) conf "CFLAGS+=($qopt)";; + L) conf "LDFLAGS+=($qopt)";; + P) conf "CPPFLAGS+=($qopt)";; c) colour="$OPTARG";; - d) CFLAGS+=(-Og -g); LDFLAGS+=(-Og -g);; - e) CFLAGS+=(-Werror);; - f) gen_flags=1;; + d) conf "debug=1" >&3;; + e) conf "werror=1" >&3;; h) usage; help; exit;; - o) CFLAGS+=(-O2 -flto); LDFLAGS+=(-O2 -flto);; - v) verbose=1;; - w) CFLAGS+=("${warnings[@]}");; + o) conf "optimise=1" >&3;; + v) conf "verbose=1" >&3;; + w) conf "warn=1" >&3;; ?) usage >&2; exit 1;; esac done -if [[ $colour == auto && -t 1 ]]; then - colour=always -fi -if [[ $colour == always ]]; then - CFLAGS+=(-fdiagnostics-color) -fi -{ - echo "# generated using $0 $@" - declare -p CC CFLAGS CPPFLAGS LDFLAGS LDLIBS -} >.config.rc -[[ $verbose ]] && cat .config.rc -[[ $gen_flags ]] && printf '%s\n' "${CFLAGS[@]}" "${CPPFLAGS[@]}" >compile_flags.txt +case "$colour" in + auto) [[ -t 1 ]] && conf "colour=1" || conf "colour=0";; + always) conf "colour=1";; + off) conf "colour=0";; + *) usage >&2; exit 1;; +esac + +[[ $CC ]] && conf "CC=${CC@Q}" |