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-rw-r--r--openvpn/configure.ac65
1 files changed, 56 insertions, 9 deletions
diff --git a/openvpn/configure.ac b/openvpn/configure.ac
index 7b35e504..5da5772b 100644
--- a/openvpn/configure.ac
+++ b/openvpn/configure.ac
@@ -46,11 +46,16 @@ AC_ARG_ENABLE(
[enable_lzo="yes"]
)
-AC_ARG_ENABLE(
- [lzo-stub],
- [AS_HELP_STRING([--enable-lzo-stub], [don't compile LZO compression support but still allow limited interoperability with LZO-enabled peers @<:@default=no@:>@])],
- ,
- [enable_lzo_stub="no"]
+AC_ARG_ENABLE(snappy,
+ [ --disable-snappy Disable Snappy compression support],
+ [enable_snappy="$enableval"],
+ [enable_snappy="yes"]
+)
+
+AC_ARG_ENABLE(comp-stub,
+ [ --enable-comp-stub Don't compile compression support but still allow limited interoperability with compression-enabled peers],
+ [enable_comp_stub="$enableval"],
+ [enable_comp_stub="no"]
)
AC_ARG_ENABLE(
@@ -895,6 +900,46 @@ if test "${have_lzo}" = "yes"; then
CFLAGS="${saved_CFLAGS}"
fi
+dnl
+dnl check for Snappy library
+dnl
+
+AC_ARG_VAR([SNAPPY_CFLAGS], [C compiler flags for snappy])
+AC_ARG_VAR([SNAPPY_LIBS], [linker flags for snappy])
+if test "$enable_snappy" = "yes" && test "$enable_comp_stub" = "no"; then
+ AC_CHECKING([for Snappy Library and Header files])
+ havesnappylib=1
+
+ # if SNAPPY_LIBS is set, we assume it will work, otherwise test
+ if test -z "${SNAPPY_LIBS}"; then
+ AC_CHECK_LIB(snappy, snappy_compress,
+ [ SNAPPY_LIBS="-lsnappy" ],
+ [
+ AC_MSG_RESULT([Snappy library not found.])
+ havesnappylib=0
+ ])
+ fi
+
+ saved_CFLAGS="${CFLAGS}"
+ CFLAGS="${CFLAGS} ${SNAPPY_CFLAGS}"
+ AC_CHECK_HEADER(snappy-c.h,
+ ,
+ [
+ AC_MSG_RESULT([Snappy headers not found.])
+ havesnappylib=0
+ ])
+
+ if test $havesnappylib = 0 ; then
+ AC_MSG_RESULT([Snappy library available from http://code.google.com/p/snappy/])
+ AC_MSG_ERROR([Or try ./configure --disable-snappy OR ./configure --enable-comp-stub])
+ fi
+ OPTIONAL_SNAPPY_CFLAGS="${SNAPPY_CFLAGS}"
+ OPTIONAL_SNAPPY_LIBS="${SNAPPY_LIBS}"
+ AC_DEFINE(ENABLE_SNAPPY, 1, [Enable Snappy compression library])
+ CFLAGS="${saved_CFLAGS}"
+fi
+
+
AC_MSG_CHECKING([git checkout])
GIT_CHECKOUT="no"
if test -n "${GIT}" -a -d "${srcdir}/.git"; then
@@ -1003,10 +1048,10 @@ if test "${enable_lzo}" = "yes"; then
OPTIONAL_LZO_LIBS="${LZO_LIBS}"
AC_DEFINE([ENABLE_LZO], [1], [Enable LZO compression library])
fi
-if test "${enable_lzo_stub}" = "yes"; then
- test "${enable_lzo}" = "yes" && AC_MSG_ERROR([Cannot have both lzo stub and lzo enabled])
- AC_DEFINE([ENABLE_LZO_STUB], [1], [Enable LZO stub capability])
- AC_DEFINE([ENABLE_LZO], [1], [Enable LZO compression library])
+if test "${enable_comp_stub}" = "yes"; then
+ test "${enable_lzo}" = "yes" && AC_MSG_ERROR([Cannot have both comp stub and lzo enabled (use --disable-lzo)])
+ test "${enable_snappy}" = "yes" && AC_MSG_ERROR([Cannot have both comp stub and snappy enabled (use --disable-snappy)])
+ AC_DEFINE([ENABLE_COMP_STUB], [1], [Enable compression stub capability])
fi
if test "${enable_pkcs11}" = "yes"; then
@@ -1060,6 +1105,8 @@ AC_SUBST([OPTIONAL_CRYPTO_CFLAGS])
AC_SUBST([OPTIONAL_CRYPTO_LIBS])
AC_SUBST([OPTIONAL_LZO_CFLAGS])
AC_SUBST([OPTIONAL_LZO_LIBS])
+AC_SUBST([OPTIONAL_SNAPPY_CFLAGS])
+AC_SUBST([OPTIONAL_SNAPPY_LIBS])
AC_SUBST([OPTIONAL_PKCS11_HELPER_CFLAGS])
AC_SUBST([OPTIONAL_PKCS11_HELPER_LIBS])