X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=configure.ac;h=6d510df332b639d624f9331e4e33f47574df424e;hp=5057f8e992e0d760c89afa9432caa1eb0eac587d;hb=2695c5c44e028d1bc07404baf3357e5a6017fc57;hpb=76917807eb50ccde58901e8bec7ed3d408d1cc22

diff --git a/configure.ac b/configure.ac
index 5057f8e99..6d510df33 100644
--- a/configure.ac
+++ b/configure.ac
@@ -563,6 +563,18 @@ if test "x$enable_xz" != "xno"; then
 fi
 AM_CONDITIONAL(HAVE_XZ, [test "$have_xz" = "yes"])
 
+# ------------------------------------------------------------------------------
+have_zlib=no
+AC_ARG_ENABLE(zlib, AS_HELP_STRING([--disable-zlib], [Disable optional ZLIB support]))
+if test "x$enable_zlib" != "xno"; then
+        PKG_CHECK_MODULES(ZLIB, [ zlib ],
+                [AC_DEFINE(HAVE_ZLIB, 1, [Define if ZLIB is available]) have_zlib=yes])
+        if test "x$have_zlib" = xno -a "x$enable_zlib" = xyes; then
+                AC_MSG_ERROR([*** ZLIB support requested but libraries not found])
+        fi
+fi
+AM_CONDITIONAL(HAVE_ZLIB, [test "$have_zlib" = "yes"])
+
 # ------------------------------------------------------------------------------
 have_lz4=no
 AC_ARG_ENABLE(lz4, AS_HELP_STRING([--enable-lz4], [Enable optional LZ4 support]))
@@ -1410,6 +1422,7 @@ AC_MSG_RESULT([
         SELinux:                 ${have_selinux}
         SECCOMP:                 ${have_seccomp}
         SMACK:                   ${have_smack}
+        ZLIB:                    ${have_zlib}
         XZ:                      ${have_xz}
         LZ4:                     ${have_lz4}
         ACL:                     ${have_acl}