diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index f4a0071e1dd9..bafd5b39e135 100644 --- a/configure.ac +++ b/configure.ac @@ -8807,9 +8807,22 @@ dnl =================================================================== dnl Check for C preprocessor to use dnl =================================================================== AC_MSG_CHECKING([which C preprocessor to use in idlc]) +SYSTEM_UCPP_IS_GCC= if test -n "$with_idlc_cpp"; then AC_MSG_RESULT([$with_idlc_cpp]) AC_PATH_PROG(SYSTEM_UCPP, $with_idlc_cpp) + AC_MSG_CHECKING([if $with_idlc_cpp is GCC CPP]) + # ucpp will accept -v (to output version), warn about the others as unknown + # and return 1 (due to -v) + # gcc will accept -v (as verbose), --version (to output version) and -nostdinc + # and return 0 (due to --version ) if all options are supported + $SYSTEM_UCPP -v --version -nostdinc >/dev/null 2>/dev/null + if test $? -eq 0; then + SYSTEM_UCPP_IS_GCC=TRUE + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi else AC_MSG_RESULT([ucpp]) AC_MSG_CHECKING([which ucpp tp use]) @@ -8822,6 +8835,7 @@ else fi fi AC_SUBST(SYSTEM_UCPP) +AC_SUBST(SYSTEM_UCPP_IS_GCC) dnl =================================================================== dnl Check for epm (not needed for Windows) |