BITCODE_CXXFLAGS
BITCODE_CFLAGS
CFLAGS_VECTOR
+PERMIT_DECLARATION_AFTER_STATEMENT
LLVM_BINPATH
LLVM_CXXFLAGS
LLVM_CFLAGS
CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
CXXFLAGS="-Wall -Wpointer-arith"
# These work in some but not all gcc versions
+ save_CFLAGS=$CFLAGS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wdeclaration-after-statement, for CFLAGS" >&5
$as_echo_n "checking whether ${CC} supports -Wdeclaration-after-statement, for CFLAGS... " >&6; }
fi
- # -Wdeclaration-after-statement isn't applicable for C++
+ # -Wdeclaration-after-statement isn't applicable for C++. Specific C files
+ # disable it, so AC_SUBST the negative form.
+ PERMIT_DECLARATION_AFTER_STATEMENT=
+ if test x"$save_CFLAGS" != x"$CFLAGS"; then
+ PERMIT_DECLARATION_AFTER_STATEMENT=-Wno-declaration-after-statement
+ fi
+
# Really don't want VLAs to be used in our dialect of C
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Werror=vla, for CFLAGS" >&5
$as_echo "#define HAVE__BUILTIN_TYPES_COMPATIBLE_P 1" >>confdefs.h
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap16" >&5
-$as_echo_n "checking for __builtin_bswap16... " >&6; }
-if ${pgac_cv__builtin_bswap16+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-static unsigned long int x = __builtin_bswap16(0xaabb);
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- pgac_cv__builtin_bswap16=yes
-else
- pgac_cv__builtin_bswap16=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap16" >&5
-$as_echo "$pgac_cv__builtin_bswap16" >&6; }
-if test x"$pgac_cv__builtin_bswap16" = xyes ; then
-
-$as_echo "#define HAVE__BUILTIN_BSWAP16 1" >>confdefs.h
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap32" >&5
-$as_echo_n "checking for __builtin_bswap32... " >&6; }
-if ${pgac_cv__builtin_bswap32+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-static unsigned long int x = __builtin_bswap32(0xaabbccdd);
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- pgac_cv__builtin_bswap32=yes
-else
- pgac_cv__builtin_bswap32=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap32" >&5
-$as_echo "$pgac_cv__builtin_bswap32" >&6; }
-if test x"$pgac_cv__builtin_bswap32" = xyes ; then
-
-$as_echo "#define HAVE__BUILTIN_BSWAP32 1" >>confdefs.h
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap64" >&5
-$as_echo_n "checking for __builtin_bswap64... " >&6; }
-if ${pgac_cv__builtin_bswap64+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-static unsigned long int x = __builtin_bswap64(0xaabbccddeeff0011);
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- pgac_cv__builtin_bswap64=yes
-else
- pgac_cv__builtin_bswap64=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap64" >&5
-$as_echo "$pgac_cv__builtin_bswap64" >&6; }
-if test x"$pgac_cv__builtin_bswap64" = xyes ; then
-
-$as_echo "#define HAVE__BUILTIN_BSWAP64 1" >>confdefs.h
-
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_constant_p" >&5
$as_echo_n "checking for __builtin_constant_p... " >&6; }
fi
-# On PPC, check if assembler supports LWARX instruction's mutex hint bit
case $host_cpu in
+ x86_64)
+ # On x86_64, check if we can compile a popcntq instruction
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether assembler supports x86_64 popcntq" >&5
+$as_echo_n "checking whether assembler supports x86_64 popcntq... " >&6; }
+if ${pgac_cv_have_x86_64_popcntq+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+long long x = 1; long long r;
+ __asm__ __volatile__ (" popcntq %1,%0\n" : "=q"(r) : "rm"(x));
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ pgac_cv_have_x86_64_popcntq=yes
+else
+ pgac_cv_have_x86_64_popcntq=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_have_x86_64_popcntq" >&5
+$as_echo "$pgac_cv_have_x86_64_popcntq" >&6; }
+ if test x"$pgac_cv_have_x86_64_popcntq" = xyes ; then
+
+$as_echo "#define HAVE_X86_64_POPCNTQ 1" >>confdefs.h
+
+ fi
+ ;;
ppc*|powerpc*)
+ # On PPC, check if assembler supports LWARX instruction's mutex hint bit
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether assembler supports lwarx hint bit" >&5
$as_echo_n "checking whether assembler supports lwarx hint bit... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+if ${pgac_cv_have_ppc_mutex_hint+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
pgac_cv_have_ppc_mutex_hint=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_have_ppc_mutex_hint" >&5
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_have_ppc_mutex_hint" >&5
$as_echo "$pgac_cv_have_ppc_mutex_hint" >&6; }
if test x"$pgac_cv_have_ppc_mutex_hint" = xyes ; then
if ${ac_cv_func_accept_arg3+:} false; then :
$as_echo_n "(cached) " >&6
else
- for ac_cv_func_accept_return in 'int' 'unsigned int PASCAL' 'SOCKET WSAAPI'; do
- for ac_cv_func_accept_arg1 in 'int' 'unsigned int' 'SOCKET'; do
+ for ac_cv_func_accept_return in 'int' 'SOCKET WSAAPI' 'unsigned int PASCAL'; do
+ for ac_cv_func_accept_arg1 in 'int' 'SOCKET' 'unsigned int'; do
for ac_cv_func_accept_arg2 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
for ac_cv_func_accept_arg3 in 'int' 'size_t' 'socklen_t' 'unsigned int' 'void'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
done
+# These typically are compiler builtins, for which AC_CHECK_FUNCS fails.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap16" >&5
+$as_echo_n "checking for __builtin_bswap16... " >&6; }
+if ${pgac_cv__builtin_bswap16+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_bswap16(int x)
+{
+ return __builtin_bswap16(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_bswap16=yes
+else
+ pgac_cv__builtin_bswap16=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap16" >&5
+$as_echo "$pgac_cv__builtin_bswap16" >&6; }
+if test x"${pgac_cv__builtin_bswap16}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_BSWAP16 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap32" >&5
+$as_echo_n "checking for __builtin_bswap32... " >&6; }
+if ${pgac_cv__builtin_bswap32+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_bswap32(int x)
+{
+ return __builtin_bswap32(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_bswap32=yes
+else
+ pgac_cv__builtin_bswap32=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap32" >&5
+$as_echo "$pgac_cv__builtin_bswap32" >&6; }
+if test x"${pgac_cv__builtin_bswap32}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_BSWAP32 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap64" >&5
+$as_echo_n "checking for __builtin_bswap64... " >&6; }
+if ${pgac_cv__builtin_bswap64+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_bswap64(long int x)
+{
+ return __builtin_bswap64(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_bswap64=yes
+else
+ pgac_cv__builtin_bswap64=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap64" >&5
+$as_echo "$pgac_cv__builtin_bswap64" >&6; }
+if test x"${pgac_cv__builtin_bswap64}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_BSWAP64 1
+_ACEOF
+
+fi
+# We assume that we needn't test all widths of these explicitly:
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_clz" >&5
+$as_echo_n "checking for __builtin_clz... " >&6; }
+if ${pgac_cv__builtin_clz+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_clz(unsigned int x)
+{
+ return __builtin_clz(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_clz=yes
+else
+ pgac_cv__builtin_clz=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_clz" >&5
+$as_echo "$pgac_cv__builtin_clz" >&6; }
+if test x"${pgac_cv__builtin_clz}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_CLZ 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_ctz" >&5
+$as_echo_n "checking for __builtin_ctz... " >&6; }
+if ${pgac_cv__builtin_ctz+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_ctz(unsigned int x)
+{
+ return __builtin_ctz(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_ctz=yes
+else
+ pgac_cv__builtin_ctz=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_ctz" >&5
+$as_echo "$pgac_cv__builtin_ctz" >&6; }
+if test x"${pgac_cv__builtin_ctz}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_CTZ 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_popcount" >&5
+$as_echo_n "checking for __builtin_popcount... " >&6; }
+if ${pgac_cv__builtin_popcount+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_popcount(unsigned int x)
+{
+ return __builtin_popcount(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_popcount=yes
+else
+ pgac_cv__builtin_popcount=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_popcount" >&5
+$as_echo "$pgac_cv__builtin_popcount" >&6; }
+if test x"${pgac_cv__builtin_popcount}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_POPCOUNT 1
+_ACEOF
+
+fi
+
ac_fn_c_check_func "$LINENO" "fseeko" "ac_cv_func_fseeko"
if test "x$ac_cv_func_fseeko" = xyes; then :
$as_echo "#define HAVE_FSEEKO 1" >>confdefs.h
fi
+ac_fn_c_check_func "$LINENO" "strtof" "ac_cv_func_strtof"
+if test "x$ac_cv_func_strtof" = xyes; then :
+ $as_echo "#define HAVE_STRTOF 1" >>confdefs.h
+
+else
+ case " $LIBOBJS " in
+ *" strtof.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS strtof.$ac_objext"
+ ;;
+esac
+
+fi
+
+
+case $host_os in
+ # Cygwin and (apparently, based on test results) Mingw both
+ # have a broken strtof(), so substitute the same replacement
+ # code we use with VS2013. That's not a perfect fix, since
+ # (unlike with VS2013) it doesn't avoid double-rounding, but
+ # we have no better options. To get that, though, we have to
+ # force the file to be compiled despite HAVE_STRTOF.
+ mingw*|cygwin*)
+ case " $LIBOBJS " in
+ *" strtof.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS strtof.$ac_objext"
+ ;;
+esac
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: On $host_os we will use our strtof wrapper." >&5
+$as_echo "$as_me: On $host_os we will use our strtof wrapper." >&6;}
+ ;;
+esac
case $host_os in
projects / postgresql / blobdiff