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Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 9a889a7..296c955 100644 --- a/configure.in +++ b/configure.in @@ -560,6 +560,28 @@ done rm maketest dnl ---------------------------------------------------------------------- +dnl pmake will throw an error if variables are undefined in a Makefile. +dnl These errors can be changed to warnings using the -V flag. +dnl +AC_SUBST(AM_MAKEFLAGS) AM_MAKEFLAGS="" + +AC_MSG_CHECKING([whether make will build with undefined variables]) + + cat >maketest <<EOF +foo: \$(UNDEFINED) \$(UNDEFINED2) + @echo \$(UNDEFINED3) works +EOF + + if (${MAKE-make} -f maketest foo) >/dev/null 2>&1; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no, setting -V flag]) + AM_MAKEFLAGS="\-V" + fi + +rm maketest + +dnl ---------------------------------------------------------------------- dnl Production flags? Save the value in $CONFIG_MODE so we have it for dnl the record. dnl |