diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 9d12825..44cde5c 100644 --- a/configure.in +++ b/configure.in @@ -47,6 +47,12 @@ AC_ARG_WITH(cvs, dnl with_cvs=$withval, with_cvs=yes) AC_SUBST(with_cvs) +AC_ARG_WITH(headers, dnl +[ --with-headers=PATH location of system headers to use + [e.g. /usr/src/linux/include] + [default=compiler default]], + sysheaders=$withval, sysheaders='') + AC_ARG_ENABLE(libio, dnl [ --enable-libio build in GNU libio instead of GNU stdio], [if test $enableval = yes; then @@ -470,6 +476,15 @@ AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) AC_CHECK_TOOL(MIG, mig) +# if using special system headers, find out the compiler's sekrit +# header directory and add that to the list. NOTE: Only does the right +# thing on a system that doesn't need fixincludes. (Not presently a problem.) +if test -n "$sysheaders"; then + ccheaders=`$CC -print-file-name=include` + SYSINCLUDES="-nostdinc -isystem $ccheaders -isystem $sysheaders" +fi +AC_SUBST(SYSINCLUDES) + # check if ar takes S AC_CACHE_CHECK(for ar S, libc_cv_ar_S, [dnl tmpo=$$.o |