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authorMike Frysinger <vapier@gentoo.org>2021-01-08 02:24:51 -0500
committerMike Frysinger <vapier@gentoo.org>2021-01-08 15:45:42 -0500
commit46f900c065f65013ae58a97f3b991a7e0c5ab669 (patch)
treebfa940b2425bdeb5444cec377eb84ebd15109ba4 /sim/sh
parent8fc48b79618af335d6cea1d1d149668340298b81 (diff)
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sim: require a C11 compiler
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.
Diffstat (limited to 'sim/sh')
-rw-r--r--sim/sh/ChangeLog4
-rwxr-xr-xsim/sh/configure66
2 files changed, 57 insertions, 13 deletions
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog
index 41af60a..124a216 100644
--- a/sim/sh/ChangeLog
+++ b/sim/sh/ChangeLog
@@ -1,3 +1,7 @@
+2021-01-08 Mike Frysinger <vapier@gentoo.org>
+
+ * configure: Regenerate.
+
2021-01-04 Mike Frysinger <vapier@gentoo.org>
* configure: Regenerate.
diff --git a/sim/sh/configure b/sim/sh/configure
index e5a07c0..692cd90 100755
--- a/sim/sh/configure
+++ b/sim/sh/configure
@@ -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