fi
}
+tryldflag () {
+printf "checking whether linker accepts %s... " "$2"
+echo "typedef int x;" > "$tmpc"
+if "$CC" -nostdlib -shared "$2" -o /dev/null "$tmpc" 2>/dev/null ; then
+printf "yes\n"
+eval "$1=\"\${$1} \$2\""
+eval "$1=\${$1# }"
+return 0
+else
+printf "no\n"
+return 1
+fi
+}
+
# Beginning of actual script
+CFLAGS_C99FSE=
+CFLAGS_AUTO=
+LDFLAGS_AUTO=
prefix=
exec_prefix=
bindir=
arm*) ARCH=arm ;;
i?86*) ARCH=i386 ;;
x86_64*) ARCH=x86_64 ;;
+mips-*|mipsel-*) ARCH=mips ;;
unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;;
*) fail "$0: unknown or unsupported target \"$target\"" ;;
esac
tryflag CFLAGS_C99FSE -ffreestanding \
|| tryflag CFLAGS_C99FSE -fno-builtin
tryflag CFLAGS_C99FSE -fexcess-precision=standard \
-|| tryflag CFLAGS_C99FSE -ffloat-store
+|| { test "$ARCH" = i386 && tryflag CFLAGS_C99FSE -ffloat-store ; }
tryflag CFLAGS_C99FSE -frounding-math
#
tryflag CFLAGS_AUTO -Wno-unknown-pragmas
fi
+# Some patched GCC builds have these defaults messed up...
+tryflag CFLAGS_AUTO -fno-stack-protector
+tryldflag LDFLAGS_AUTO -Wl,--hash-style=sysv
+
+# Disable dynamic linking if ld is broken and can't do -Bsymbolic-functions
+LDFLAGS_DUMMY=
+tryldflag LDFLAGS_DUMMY -Wl,-Bsymbolic-functions || {
+printf "warning: disabling dynamic linking support\n"
+shared=no
+}
+
+
printf "creating config.mak... "
CFLAGS= $CFLAGS_AUTO $CFLAGS
CFLAGS_C99FSE = $CFLAGS_C99FSE
CPPFLAGS = $CPPFLAGS
-LDFLAGS = $LDFLAGS
+LDFLAGS = $LDFLAGS_AUTO $LDFLAGS
EOF
test "x$static" = xno && echo "STATIC_LIBS ="
test "x$shared" = xno && echo "SHARED_LIBS ="