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sim: require a C11 compiler

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With GDB requiring a C++11 compiler now, this hopefully shouldn't
be a big deal.  It's been 10 years since C11 came out, so should
be plenty of time to upgrade.

This will allow us to start cleaning up random header logic and
many of our non-standard custom types.
This commit is contained in:
Mike Frysinger
2021-01-08 02:24:51 -05:00
parent 8fc48b7961
commit 46f900c065
65 changed files with 1750 additions and 419 deletions
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66
sim/avr/configure vendored
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@ -678,6 +678,7 @@ CCDEPMODE
DEPDIR
am__leading_dot
PACKAGE
C_DIALECT
RANLIB
AR
HDEFINES
@ -8648,6 +8649,55 @@ else
fi
# Require C11 or newer. Autoconf-2.70 provides ac_cv_prog_cc_c11 when using
# AC_PROG_CC, but we're still using Autoconf-2.69, and the newest it understands
# is C99. So handle it ourselves.
:
C_DIALECT=
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C11 is supported by default" >&5
$as_echo_n "checking whether C11 is supported by default... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
# error "C11 support not found"
#endif
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -std=c11 support" >&5
$as_echo_n "checking for -std=c11 support... " >&6; }
ac_save_CC="$CC"
CC="$CC -std=c11"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
# error "C11 support not found"
#endif
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
CC="$ac_save_CC"
C_DIALECT="-std=c11"
else
as_fn_error $? "C11 is required" "$LINENO" 5
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
# Some of the common include files depend on bfd.h, and bfd.h checks
# that config.h is included first by testing that the PACKAGE macro
# is defined.
@ -12064,16 +12114,6 @@ freebsd* | dragonfly*)
esac
;;
gnu*)
version_type=linux
need_lib_prefix=no
need_version=no
library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
soname_spec='${libname}${release}${shared_ext}$major'
shlibpath_var=LD_LIBRARY_PATH
hardcode_into_libs=yes
;;
haiku*)
version_type=linux
need_lib_prefix=no
@ -12190,7 +12230,7 @@ linux*oldld* | linux*aout* | linux*coff*)
;;
# This must be Linux ELF.
linux* | k*bsd*-gnu | kopensolaris*-gnu)
linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
version_type=linux
need_lib_prefix=no
need_version=no
@ -12879,7 +12919,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12882 "configure"
#line 12922 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -12985,7 +13025,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12988 "configure"
#line 13028 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H