Revert "configure: Add workaround for ccache and clang"

This reverts commit fd0e60530f.

According to https://peter.eisentraut.org/blog/2014/12/01/ccache-and-clang-part-3
it's already fixed in new version of ccache

According to https://ccache.dev/manual/4.8.html#config_run_second_cpp
CCACHE_CPP2 are default to true for new version ccache

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-ID: <20231009165113.498-1-luoyonggang@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Yonggang Luo 2023-10-10 00:51:13 +08:00 committed by Paolo Bonzini
parent c624cb32a9
commit 4f94781196

32
configure vendored
View File

@ -1166,34 +1166,6 @@ EOF
fi
fi
########################################
# check if ccache is interfering with
# semantic analysis of macros
unset CCACHE_CPP2
ccache_cpp2=no
cat > $TMPC << EOF
static const int Z = 1;
#define fn() ({ Z; })
#define TAUT(X) ((X) == Z)
#define PAREN(X, Y) (X == Y)
#define ID(X) (X)
int main(void)
{
int x = 0, y = 0;
x = ID(x);
x = fn();
fn();
if (PAREN(x, y)) return 0;
if (TAUT(Z)) return 0;
return 0;
}
EOF
if ! compile_object "-Werror"; then
ccache_cpp2=yes
fi
##########################################
# functions to probe cross compilers
@ -1726,10 +1698,6 @@ if test "$default_targets" = "yes"; then
echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
fi
if test "$ccache_cpp2" = "yes"; then
echo "export CCACHE_CPP2=y" >> $config_host_mak
fi
# contrib/plugins configuration
echo "# Automatically generated by configure - do not modify" > contrib/plugins/$config_host_mak
echo "SRC_PATH=$source_path/contrib/plugins" >> contrib/plugins/$config_host_mak