#endif
x;
EOF
-if $CC $CFLAGS_C99FSE -I$srcdir/arch/$ARCH -I$srcdir/include $CPPFLAGS $CFLAGS \
+if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \
-c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
printf "no\n"
else
int bar(void) { fp = foo; return foo(); }
EOF
if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \
- -DSHARED -fPIC -I./src/internal -include vis.h \
+ -DSHARED -fPIC -I$srcdir/src/internal -include vis.h \
-nostdlib -shared -Wl,-Bsymbolic-functions \
-o /dev/null "$tmpc" >/dev/null 2>&1 ; then
visibility=yes
CFLAGS_AUTO="${CFLAGS_AUTO# }"
fi
+# Determine if the compiler produces position-independent code (PIC)
+# by default. If so, we don't need to compile separate object files
+# for libc.a and libc.so.
+if trycppif __PIC__ "$CFLAGS_C99FSE $CPPFLAGS $CFLAGS" ; then
+pic_default=yes
+else
+pic_default=no
+fi
+
# Reduce space lost to padding for alignment purposes by sorting data
# objects according to their alignment reqirements. This approximates
# optimal packing.
echo '#if LDBL_MANT_DIG == 53' >> "$tmpc"
echo 'typedef char ldcheck[9-(int)sizeof(long double)];' >> "$tmpc"
echo '#endif' >> "$tmpc"
-if $CC $CFLAGS_C99FSE -I$srcdir/arch/$ARCH -I$srcdir/include $CPPFLAGS $CFLAGS \
- -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+if $CC $CFLAGS_C99FSE \
+ -I$srcdir/arch/$ARCH -I$srcdir/arch/generic -I$srcdir/include \
+ $CPPFLAGS $CFLAGS -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
printf "yes\n"
else
printf "no\n"
test "x$shared" = xno && echo "SHARED_LIBS ="
test "x$cc_family" = xgcc && echo 'WRAPCC_GCC = $(CC)'
test "x$cc_family" = xclang && echo 'WRAPCC_CLANG = $(CC)'
+test "x$pic_default" = xyes && echo 'AOBJS = $(LOBJS)'
exec 1>&3 3>&-
test "$srcdir" = "." || ln -sf $srcdir/Makefile .