am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
+get_gcc_base_ver
WARN_FLAGS
OPTIMIZE_CXXFLAGS
TOPLEVEL_INCLUDES
ENABLE_FILESYSTEM_TS_TRUE
baseline_subdir_switch
baseline_dir
-HWCAP_FLAGS
+HWCAP_CFLAGS
GLIBCXX_LDBL_COMPAT_FALSE
GLIBCXX_LDBL_COMPAT_TRUE
LONG_DOUBLE_COMPAT_FLAGS
enable_libstdcxx_filesystem_ts
with_gxx_include_dir
enable_version_specific_runtime_libs
+with_gcc_major_version_only
'
ac_precious_vars='build_alias
host_alias
set the std::string ABI to use by default
--with-gxx-include-dir=DIR
installation directory for include files
+ --with-gcc-major-version-only
+ use only GCC major number in filesystem paths
Some influential environment variables:
CC C compiler command
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11600 "configure"
+#line 11604 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11706 "configure"
+#line 11710 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
-#line 15392 "configure"
+#line 15396 "configure"
int main()
{
typedef bool atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15427 "configure"
+#line 15431 "configure"
int main()
{
typedef short atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15462 "configure"
+#line 15466 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15498 "configure"
+#line 15502 "configure"
int main()
{
typedef long long atomic_type;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 15579 "configure"
+#line 15583 "configure"
int main()
{
_Decimal32 d1;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 15621 "configure"
+#line 15625 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15655 "configure"
+#line 15659 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
case "$host" in
*-*-solaris2.*)
- # Solaris 12 introduced the C++11 <math.h> overloads. A backport to
- # a Solaris 11.3 SRU is likely, maybe even a Solaris 10 patch.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++11 <math.h> overloads" >&5
-$as_echo_n "checking for C++11 <math.h> overloads... " >&6; }
- if test "${glibcxx_cv_math11_overload+set}" = set; then :
+ # Solaris 12 Build 86, Solaris 11.3 SRU 3.6, and Solaris 10 Patch
+ # 11996[67]-02 introduced the C++11 <math.h> floating point overloads.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++11 <math.h> floating point overloads" >&5
+$as_echo_n "checking for C++11 <math.h> floating point overloads... " >&6; }
+ if test "${glibcxx_cv_math11_fp_overload+set}" = set; then :
$as_echo_n "(cached) " >&6
else
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
- glibcxx_cv_math11_overload=no
+ glibcxx_cv_math11_fp_overload=no
else
- glibcxx_cv_math11_overload=yes
+ glibcxx_cv_math11_fp_overload=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
# autoheader cannot handle indented templates.
- if test $glibcxx_cv_math11_overload = yes; then
- $as_echo "#define __CORRECT_ISO_CPP11_MATH_H_PROTO 1" >>confdefs.h
+ if test $glibcxx_cv_math11_fp_overload = yes; then
+ $as_echo "#define __CORRECT_ISO_CPP11_MATH_H_PROTO_FP 1" >>confdefs.h
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_math11_overload" >&5
-$as_echo "$glibcxx_cv_math11_overload" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_math11_fp_overload" >&5
+$as_echo "$glibcxx_cv_math11_fp_overload" >&6; }
+
+ # Solaris 12 Build 90, Solaris 11.3 SRU 5.6, and Solaris 10 Patch
+ # 11996[67]-02 introduced the C++11 <math.h> integral type overloads.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++11 <math.h> integral type overloads" >&5
+$as_echo_n "checking for C++11 <math.h> integral type overloads... " >&6; }
+ if test "${glibcxx_cv_math11_int_overload+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <math.h>
+ namespace std {
+ template<typename _Tp>
+ struct __is_integer;
+ template<>
+ struct __is_integer<int>
+ {
+ enum { __value = 1 };
+ };
+ }
+ namespace __gnu_cxx {
+ template<bool, typename>
+ struct __enable_if;
+ template<typename _Tp>
+ struct __enable_if<true, _Tp>
+ { typedef _Tp __type; };
+ }
+ namespace std {
+ template<typename _Tp>
+ constexpr typename __gnu_cxx::__enable_if
+ <__is_integer<_Tp>::__value, double>::__type
+ log2(_Tp __x)
+ { return __builtin_log2(__x); }
+ }
+ int
+ main (void)
+ {
+ int i = 1000;
+ return std::log2(i);
+ }
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_math11_int_overload=no
+else
+ glibcxx_cv_math11_int_overload=yes
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+ # autoheader cannot handle indented templates.
+
+
+ if test $glibcxx_cv_math11_int_overload = yes; then
+ $as_echo "#define __CORRECT_ISO_CPP11_MATH_H_PROTO_INT 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_math11_int_overload" >&5
+$as_echo "$glibcxx_cv_math11_int_overload" >&6; }
;;
*)
# If <math.h> defines the obsolete isinf(double) and isnan(double)
lgamma(0.0);
lgammaf(0.0f);
lgammal(0.0l);
+ #ifndef __APPLE__ /* see below */
llrint(0.0);
llrintf(0.0f);
llrintl(0.0l);
llround(0.0);
llroundf(0.0f);
llroundl(0.0l);
+ #endif
log1p(0.0);
log1pf(0.0f);
log1pl(0.0l);
$as_echo "#define _GLIBCXX_USE_C99_MATH_TR1 1" >>confdefs.h
+
+ case "${target_os}" in
+ darwin*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 rounding functions in <math.h>" >&5
+$as_echo_n "checking for ISO C99 rounding functions in <math.h>... " >&6; }
+ if test "${glibcxx_cv_c99_math_llround+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <math.h>
+int
+main ()
+{
+llrint(0.0);
+ llrintf(0.0f);
+ llrintl(0.0l);
+ llround(0.0);
+ llroundf(0.0f);
+ llroundl(0.0l);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_math_llround=yes
+else
+ glibcxx_cv_c99_math_llround=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_math_llround" >&5
+$as_echo "$glibcxx_cv_c99_math_llround" >&6; }
+ ;;
+ esac
+ if test x"$glibcxx_cv_c99_math_llround" = x"no"; then
+
+$as_echo "#define _GLIBCXX_NO_C99_ROUNDING_FUNCS 1" >>confdefs.h
+
+ fi
fi
# Check for the existence of <inttypes.h> functions (NB: doesn't make
fi
- for ac_func in __cxa_thread_atexit_impl
+ for ac_func in __cxa_thread_atexit_impl __cxa_thread_atexit
do :
- ac_fn_c_check_func "$LINENO" "__cxa_thread_atexit_impl" "ac_cv_func___cxa_thread_atexit_impl"
-if test "x$ac_cv_func___cxa_thread_atexit_impl" = x""yes; then :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+ if test "x$as_val" = x""yes; then :
cat >>confdefs.h <<_ACEOF
-#define HAVE___CXA_THREAD_ATEXIT_IMPL 1
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
# This is a freestanding configuration; there is nothing to do here.
;;
+ avr*-*-*)
+ $as_echo "#define HAVE_ACOSF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_ASINF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_ATAN2F 1" >>confdefs.h
+
+ $as_echo "#define HAVE_ATANF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_CEILF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_COSF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_COSHF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_EXPF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FABSF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FLOORF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FMODF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FREXPF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_SQRTF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_HYPOTF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_LDEXPF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_LOG10F 1" >>confdefs.h
+
+ $as_echo "#define HAVE_LOGF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_MODFF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_POWF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_SINF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_SINHF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_TANF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_TANHF 1" >>confdefs.h
+
+ ;;
+
mips*-sde-elf*)
# These definitions are for the SDE C library rather than newlib.
SECTION_FLAGS='-ffunction-sections -fdata-sections'
$as_echo "#define HAVE_ISNANL 1" >>confdefs.h
fi
+ for ac_func in __cxa_thread_atexit
+do :
+ ac_fn_c_check_func "$LINENO" "__cxa_thread_atexit" "ac_cv_func___cxa_thread_atexit"
+if test "x$ac_cv_func___cxa_thread_atexit" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE___CXA_THREAD_ATEXIT 1
+_ACEOF
+
+fi
+done
+
+ ;;
+
+ *-fuchsia*)
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+
;;
+
*-hpux*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
fi
done
+ for ac_func in aligned_alloc posix_memalign memalign _aligned_malloc
+do :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+ if test "x$as_val" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
# Check if assembler supports disabling hardware capability support.
- test -z "$HWCAP_FLAGS" && HWCAP_FLAGS=''
+ test -z "$HWCAP_CFLAGS" && HWCAP_CFLAGS=''
# Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH
# with a different meaning.
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
if test "$ac_hwcap_flags" = "yes"; then
- HWCAP_FLAGS="-Wa,-nH $HWCAP_FLAGS"
+ HWCAP_CFLAGS="-Wa,-nH $HWCAP_CFLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_hwcap_flags" >&5
$as_echo "$ac_hwcap_flags" >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
+ #include <limits.h>
#include <stdlib.h>
#include <unistd.h>
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
+ #include <limits.h>
#include <stdlib.h>
#include <unistd.h>
if ac_fn_c_try_compile "$LINENO"; then :
glibcxx_cv_size_t_mangling=t
else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+extern __SIZE_TYPE__ x; extern __int20 unsigned x;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ glibcxx_cv_size_t_mangling=u6uint20
+else
glibcxx_cv_size_t_mangling=x
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_size_t_mangling" >&5
$as_echo "$glibcxx_cv_size_t_mangling" >&6; }
+# Check which release added std::exception_ptr for the target
+
+ if test $enable_symvers != no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for first version to support std::exception_ptr" >&5
+$as_echo_n "checking for first version to support std::exception_ptr... " >&6; }
+ case ${target} in
+ aarch64-*-* | alpha-*-* | hppa*-*-* | i?86-*-* | x86_64-*-* | \
+ m68k-*-* | powerpc*-*-* | s390*-*-* | *-*-solaris* )
+ ac_exception_ptr_since_gcc46=yes
+ ;;
+ *)
+ # If the value of this macro changes then we will need to hardcode
+ # yes/no here for additional targets based on the original value.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ #if __GCC_ATOMIC_INT_LOCK_FREE <= 1
+ # error atomic int not always lock free
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_exception_ptr_since_gcc46=yes
+else
+ ac_exception_ptr_since_gcc46=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ;;
+ esac
+ if test x"$ac_exception_ptr_since_gcc46" = x"yes" ; then
+
+$as_echo "#define HAVE_EXCEPTION_PTR_SINCE_GCC46 1" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: 4.6.0" >&5
+$as_echo "4.6.0" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: 7.1.0" >&5
+$as_echo "7.1.0" >&6; }
+ fi
+ fi
+
+
# Define documentation rules conditionally.
# See if makeinfo has been installed and is modern enough
+# Determine what GCC version number to use in filesystem paths.
+
+ get_gcc_base_ver="cat"
+
+# Check whether --with-gcc-major-version-only was given.
+if test "${with_gcc_major_version_only+set}" = set; then :
+ withval=$with_gcc_major_version_only; if test x$with_gcc_major_version_only = xyes ; then
+ get_gcc_base_ver="sed -e 's/^\([0-9]*\).*\$\$/\1/'"
+ fi
+
+fi
+
+
+
+
ac_config_files="$ac_config_files Makefile"
ac_config_files="$ac_config_files scripts/testsuite_flags"
CC="$CC"
CXX="$CXX"
GFORTRAN="$GFORTRAN"
-GCJ="$GCJ"
# The HP-UX ksh and POSIX shell print the target directory to stdout
projects / gcc.git / blobdiff