Commit b594f520 authored by Kurt Zeilenga's avatar Kurt Zeilenga
Browse files

First cut of OL_CC_DEPEND test. Attempts to detect the appropriate

flag to generate dependencies.  Output not used (yet).
parent ca005362
......@@ -79,6 +79,34 @@ AC_SUBST(LN_H)dnl
])dnl
dnl
dnl ====================================================================
dnl Check for dependency generation flag
AC_DEFUN([OL_CC_DEPEND], [# test for cc depend flag
AC_CACHE_CHECK([for ${CC-cc} depend flag], ol_cv_cc_depend,
[ ol_cv_cc_depend=no
if test $GCC = yes ; then
ol_cv_cc_depend="-M"
else
for flag in "-M" "-xM"; do
cat > conftest.c <<EOF
noCode;
EOF
if AC_TRY_COMMAND(${CC-cc} $flag conftest.c) \
| egrep '^conftest\.'"${ac_objext}" >/dev/null 2>&1
then
cc_cv_cc_depend=$flag
break
fi
done
rm -f conftest*
fi])
if test "${ol_cv_cc_depend}" != no ; then
CC_DEPEND_FLAGS="${ol_cv_cc_depend}"
AC_SUBST(CC_DEPEND_FLAGS)
else
AC_MSG_WARN([do not know how to generate dependencies])
fi])
dnl
dnl ====================================================================
dnl Check if system uses EBCDIC instead of ASCII
AC_DEFUN([OL_CPP_EBCDIC], [# test for EBCDIC
AC_MSG_CHECKING([for EBCDIC])
......
This diff is collapsed.
......@@ -407,6 +407,10 @@ fi
dnl AM_C_PROTOTYPES
dnl Check cc depend flags
OL_CC_DEPEND
dnl Checks for libraries
dnl Find socket()
......
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