save

embed/configure

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+usage() {
+cat <<EOF
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE.
+
+  CC      C compiler command [detected]
+  CFLAGS  C compiler flags [-g, ...]
+
+EOF
+exit 0
+}
+
+echo () { printf "%s\n" "$*" ; }
+cmdexists () { type "$1" >/dev/null 2>&1 ; }
+trycc () { test -z "$CC" && cmdexists "$1" && CC=$1 ; }
+
+prefix=/usr/bin/
+CFLAGS="-Wall -Wextra -O2"
+LDFLAGS=
+CC=
+
+for arg ; do
+case "$arg" in
+--help|h) usage ;;
+CFLAGS=*) CFLAGS=${arg#*=} ;;
+LDFLAGS=*) LDFLAGS=${arg#*=} ;;
+esac
+done
+
+printf "checking for C compiler... "
+trycc gcc
+trycc cc
+trycc clang
+printf "%s\n" "$CC"
+
+printf "checking weather C compiler works... "
+status="fail"
+tmpc="$(mktemp -d)/test.c"
+echo "typedef int x;" > "$tmpc"
+if output=$($CC $CFLAGS -c -o /dev/null "$tmpc" 2>&1) ; then
+printf "yes\n"
+else
+printf "no; %s\n" "$output"
+exit 1
+fi
+
+printf "creating config.mak... "
+printf "PREFIX=%s\n" "$prefix" > config.mak
+printf "CFLAGS=%s\n" "$CFLAGS" >> config.mak
+printf "LDFLAGS=%s\n" "$LDFLAGS" >> config.mak
+printf "CC=%s\n" "$CC" >> config.mak
+printf "done\n"