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-rw-r--r--Build/source/libs/pplib/configure.ac13
1 files changed, 13 insertions, 0 deletions
diff --git a/Build/source/libs/pplib/configure.ac b/Build/source/libs/pplib/configure.ac
index 8deb254cd3f..634726b7ed4 100644
--- a/Build/source/libs/pplib/configure.ac
+++ b/Build/source/libs/pplib/configure.ac
@@ -37,6 +37,19 @@ KPSE_LARGEFILE([PPLIB])
KPSE_ZLIB_FLAGS
+AM_CONDITIONAL([build], [test "x$enable_build" != xno])
+
+if test "x$enable_build" != xno || test -f config.force; then
+
+KPSE_ADD_FLAGS([zlib])
+AC_CHECK_FUNC([zlibVersion], , [AC_ERROR([zlib not found])])
+KPSE_RESTORE_FLAGS
+
+echo timestamp >config.force
+fi
+
+
+
if test "x$ac_cv_header_stdc" = xyes; then
PPLIB_DEFINES="$PPLIB_DEFINES -DHAVE_UNISTD_H"
fi