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Adding support for building using GCC 15 #453

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Adding support for building using GCC 15 #453

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20 changes: 20 additions & 0 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -5566,6 +5566,26 @@ $as_echo "$fno_common_flag" >&6; }
if test "x$fno_common_flag" = xyes; then
STAGE2_CFLAGS="$STAGE2_CFLAGS -fcommon"
fi
#gcc 15 and newer has built with -std=gnu23 by default so we add -std=gnu17 to CFLAGS
# Check if gcc 15 or newer
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc 15 or newer built with -std=gnu23 by default" >&5
$as_echo_n "checking whether gcc 15 or newer built with -std=gnu23 by default... " >&6; }
currentgccver="$($CC -dumpversion)"
gcc15="14.9.0"

if [ "$(printf '%s\n' "$gcc15" "$currentgccver" | sort -V | head -n1)" = "$gcc15" ]; then
C17_common_flag=yes
else
C17_common_flag=no
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $C17_common_flag" >&5
$as_echo "$C17_common_flag" >&6; }

if test "x$C17_common_flag" = xyes; then
CFLAGS="-std=gnu17 $CFLAGS"
fi

if test "x$with_binutils" != x; then
# Extract the first word of "objcopy", so it can be a program name with args.
set dummy objcopy; ac_word=$2
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