70 lines
2.0 KiB
Bash
Executable File
70 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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usage() {
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cat <<EOF
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Usage: $0 [OPTION]... [VAR=VALUE]...
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To assign environment variables (e.g., CC, CFLAGS...), specify them as
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VAR=VALUE.
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CC C compiler command [detected]
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CFLAGS C compiler flags [-g, ...]
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LDFLAGS C linker flags
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--prefix=<path> Set the install path
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--debug Flags for debug build
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EOF
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exit 0
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}
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echo () { printf "%s\n" "$*" ; }
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cmdexists () { type "$1" >/dev/null 2>&1 ; }
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trycc () { test -z "$CC" && cmdexists "$1" && CC=$1 ; }
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prefix=/usr/bin/
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CFLAGS="-std=c23 -O2 -pipe -Wall -Wextra -Wpedantic -Wformat=2 -Wshadow -Wcast-qual -Wcast-align=strict -Wconversion -Wsign-conversion -Wnull-dereference -Wstrict-overflow=5 -Wstrict-aliasing=2 -Wswitch-enum -Wundef -fstack-protector-strong -D_FORTIFY_SOURCE=3 -fPIE -pie -fno-plt -Wl,-z,relro,-z,now" # release flags
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LDFLAGS=
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CC=
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printf "checking for C compiler... "
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trycc gcc
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trycc cc
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trycc clang
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printf "%s\n" "$CC"
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DEBUG=false
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for arg ; do
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case "$arg" in
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--help|h) usage ;;
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--prefix=*) prefix=${arg#*=} ;;
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--debug=*) DEBUG=true ;;
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CFLAGS=*) CFLAGS=${arg#*=} ;;
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LDFLAGS=*) LDFLAGS=${arg#*=} ;;
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CC=*) CC=${arg#*=} ;;
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esac
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done
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printf "checking weather C compiler works... "
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status="fail"
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tmpc="$(mktemp -d)/test.c"
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echo "typedef int x;" > "$tmpc"
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if output=$($CC $CFLAGS -c -o /dev/null "$tmpc" 2>&1) ; then
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printf "yes\n"
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else
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printf "no; %s\n" "$output"
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exit 1
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fi
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if [ -z "$DEBUG" ]; then
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CFLAGS="-std=c23 -O0 -g3 -Wall -Wextra -Wpedantic -Werror -Wshadow -Wdouble-promotion -Wformat=2 -Wnull-dereference -Wconversion -Wsign-conversion -Wcast-qual -Wcast-align=strict -Wpointer-arith -Wstrict-overflow=5 -Wstrict-aliasing=2 -Wundef -Wunreachable-code -Wswitch-enum -fanalyzer -fsanitize=undefined,address -fstack-protector-strong -D_FORTIFY_SOURCE=3"
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fi
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printf "creating config.mak... "
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printf "PREFIX=%s\n" "$prefix" > config.mak
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printf "CFLAGS=%s\n" "$CFLAGS" >> config.mak
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printf "LDFLAGS=%s\n" "$LDFLAGS" >> config.mak
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printf "CC=%s\n" "$CC" >> config.mak
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printf "done\n"
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