This reverts commit fd0e60530f10078f488fa3e9591cc7db5732989c. 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 <luoyongg...@gmail.com> --- configure | 32 -------------------------------- 1 file changed, 32 deletions(-) diff --git a/configure b/configure index e08127045d..3f8dd94b50 100755 --- a/configure +++ b/configure @@ -1161,34 +1161,6 @@ EOF fi fi -######################################## -# check if ccache is interfering with -# semantic analysis of macros - -unset CCACHE_CPP2 -ccache_cpp2=no -cat > $TMPC << EOF -static const int Z = 1; -#define fn() ({ Z; }) -#define TAUT(X) ((X) == Z) -#define PAREN(X, Y) (X == Y) -#define ID(X) (X) -int main(void) -{ - int x = 0, y = 0; - x = ID(x); - x = fn(); - fn(); - if (PAREN(x, y)) return 0; - if (TAUT(Z)) return 0; - return 0; -} -EOF - -if ! compile_object "-Werror"; then - ccache_cpp2=yes -fi - ########################################## # functions to probe cross compilers @@ -1722,10 +1694,6 @@ if test "$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 -- 2.39.0.windows.1