diff options
Diffstat (limited to 'openvpn/configure.ac')
| -rw-r--r-- | openvpn/configure.ac | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/openvpn/configure.ac b/openvpn/configure.ac index 23e76f6c..636d4e25 100644 --- a/openvpn/configure.ac +++ b/openvpn/configure.ac @@ -52,6 +52,12 @@ AC_ARG_ENABLE(snappy, [enable_snappy="yes"] ) +AC_ARG_ENABLE(lz4, + [ --disable-lz4 Disable LZ4 compression support], + [enable_lz4="$enableval"], + [enable_lz4="yes"] +) + AC_ARG_ENABLE(comp-stub, [ --enable-comp-stub Don't compile compression support but still allow limited interoperability with compression-enabled peers], [enable_comp_stub="$enableval"], @@ -934,6 +940,48 @@ if test "$enable_snappy" = "yes" && test "$enable_comp_stub" = "no"; then CFLAGS="${saved_CFLAGS}" fi +dnl +dnl check for LZ4 library +dnl + +AC_ARG_VAR([LZ4_CFLAGS], [C compiler flags for lz4]) +AC_ARG_VAR([LZ4_LIBS], [linker flags for lz4]) +if test "$enable_lz4" = "yes" && test "$enable_comp_stub" = "no"; then + AC_CHECKING([for LZ4 Library and Header files]) + havelz4lib=1 + + # if LZ4_LIBS is set, we assume it will work, otherwise test + if test -z "${LZ4_LIBS}"; then + AC_CHECK_LIB(lz4, LZ4_compress, + [ LZ4_LIBS="-llz4" ], + [ + AC_MSG_RESULT([LZ4 library not found.]) + havelz4lib=0 + ]) + fi + + saved_CFLAGS="${CFLAGS}" + CFLAGS="${CFLAGS} ${LZ4_CFLAGS}" + AC_CHECK_HEADER(lz4.h, + , + [ + AC_MSG_RESULT([LZ4 headers not found.]) + havelz4lib=0 + ]) + + if test $havelz4lib = 0 ; then + AC_MSG_RESULT([LZ4 library or header not found, using version in src/compat/compat-lz4.*]) + AC_DEFINE([NEED_COMPAT_LZ4], [1], [use copy of LZ4 source in compat/]) + LZ4_LIBS="" + fi + OPTIONAL_LZ4_CFLAGS="${LZ4_CFLAGS}" + OPTIONAL_LZ4_LIBS="${LZ4_LIBS}" + AC_DEFINE(ENABLE_LZ4, 1, [Enable LZ4 compression library]) + CFLAGS="${saved_CFLAGS}" +fi + + + AC_MSG_CHECKING([git checkout]) GIT_CHECKOUT="no" @@ -1045,6 +1093,7 @@ fi 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 "${enable_snappy}" = "yes" && AC_MSG_ERROR([Cannot have both comp stub and snappy enabled (use --disable-snappy)]) + test "${enable_lz4}" = "yes" && AC_MSG_ERROR([Cannot have both comp stub and LZ4 enabled (use --disable-lz4)]) AC_DEFINE([ENABLE_COMP_STUB], [1], [Enable compression stub capability]) fi @@ -1101,6 +1150,8 @@ AC_SUBST([OPTIONAL_LZO_CFLAGS]) AC_SUBST([OPTIONAL_LZO_LIBS]) AC_SUBST([OPTIONAL_SNAPPY_CFLAGS]) AC_SUBST([OPTIONAL_SNAPPY_LIBS]) +AC_SUBST([OPTIONAL_LZ4_CFLAGS]) +AC_SUBST([OPTIONAL_LZ4_LIBS]) AC_SUBST([OPTIONAL_PKCS11_HELPER_CFLAGS]) AC_SUBST([OPTIONAL_PKCS11_HELPER_LIBS]) |