fi
fi
+dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
+dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
+${CFLAGS=}
+${CXXFLAGS=}
+
dnl We need to check for the compiler up here to avoid anything else
dnl starting with a different one.
AC_PROG_CC(clang llvm-gcc gcc)
enableval=host
fi
case "$enableval" in
- all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
+ all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
*)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
case "$a_target" in
x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
+ aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
AC_MSG_CHECKING([optional compiler flags])
CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
+CXX_FLAG_CHECK(NO_NESTED_ANON_TYPES, [-Wno-nested-anon-types])
CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
+
dnl GCC's potential uninitialized use analysis is weak and presents lots of
dnl false positives, so disable it.
+NO_UNINITIALIZED=
+NO_MAYBE_UNINITIALIZED=
if test "$GXX" = "yes"
then
CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
- dnl known to be uninitialized from cases which might be uninitialized. We
+ dnl known to be uninitialized from cases which might be uninitialized. We
dnl still want to catch the first kind of errors.
- if test "$NO_MAYBE_UNINITIALIZED" != "-Wno-maybe-uninitialized"
+ if test -z "$NO_MAYBE_UNINITIALIZED"
then
CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
- else
- dnl Some versions of gcc accept unsupported -W flags if there is
- dnl no warning but stop with an error when a warning is
- dnl encountered. If this gcc is earlier than 4.7, just use
- dnl -Wno-uninitialized.
- gxx_version=`$CXX -dumpversion`
- gxx_version_major=`echo $gxx_version | cut -d'.' -f1`
- gxx_version_minor=`echo $gxx_version | cut -d'.' -f2`
- gxx_version_patch=`echo $gxx_version | cut -d'.' -f3`
-
- if test "$gxx_version_major" -ge "4" \
- && test "$gxx_version_minor" -ge "7"; then
- dnl AC_SUBST doesn't work with empty strings.
- NO_UNINITIALIZED=
- else
- NO_MAYBE_UNINITIALIZED=
- CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
- fi
fi
-else
- NO_UNINITIALIZED=
- NO_MAYBE_UNINITIALIZED=
fi
-AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
+AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $NO_NESTED_ANON_TYPES $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
AC_ARG_WITH([python],
[AS_HELP_STRING([--with-python], [path to python])],
AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
AC_CHECK_FUNCS([powf fmodf strtof round ])
+AC_CHECK_FUNCS([log log2 log10 exp exp2])
AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])