mirror of
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configure: enable DCO by default on FreeBSD/Linux
Automatically disabled when - iproute2 is enabled (Don't want to force people specifying --disable-dco explicitely) - libnv is missing on FreeBSD (FreeBSD version too old anyway) Will still error out if libnl-genl is missing on Linux to make people aware of new dependency. v2: error out when libnl-genl is missing as discussed with ordex on IRC. v3: - improvements to the messages, suggested by Selva - further improvements to the default specification, trying to make it clear - if enabling iproute2, do not test for libnl-genl v4: add updates for GHA v5: - v4 was missing the changes of v3. v5 combines the changes from v3 and v4 - fix build failure GHA/ubuntu1804/mbedtls - fix build failure GHA/ubuntu2204/libressl Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com> Acked-by: Selva Nair <selva.nair@gmail.com> Acked-by: Antonio Quartulli <a@unstable.cc> Message-Id: <20230215162654.52137-1-frank@lichtenheld.com> URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg26272.html Signed-off-by: Gert Doering <gert@greenie.muc.de>
This commit is contained in:
parent
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commit
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22
.github/workflows/build.yaml
vendored
22
.github/workflows/build.yaml
vendored
@ -265,20 +265,27 @@ jobs:
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strategy:
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fail-fast: false
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matrix:
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os: [ubuntu-18.04, ubuntu-20.04, ubuntu-22.04]
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os: [ubuntu-20.04, ubuntu-22.04]
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sslpkg: [libmbedtls-dev]
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ssllib: [mbedtls]
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libname: [mbed TLS]
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include:
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- os: ubuntu-18.04
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sslpkg: "libmbedtls-dev"
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ssllib: mbedtls
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libname: mbed TLS
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extraconf: "--disable-dco"
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- os: ubuntu-18.04
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sslpkg: "libssl1.0-dev"
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ssllib: openssl
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libname: OpenSSL 1.0.2
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extraconf: "--disable-dco"
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- os: ubuntu-18.04
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sslpkg: "libssl-dev"
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libname: OpenSSL 1.1.1
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ssllib: openssl
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extraconf: "--disable-dco"
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- os: ubuntu-20.04
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sslpkg: "libssl-dev"
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libname: OpenSSL 1.1.1
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@ -312,22 +319,15 @@ jobs:
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libname: OpenSSL 1.1.1
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ssllib: openssl
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extraconf: "--disable-lzo --disable-lz4"
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- os: ubuntu-20.04
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sslpkg: "libssl-dev"
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libname: OpenSSL 1.1.1
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ssllib: openssl
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extraconf: "--enable-dco"
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nlpkg: "libnl-genl-3-dev"
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name: "gcc - ${{matrix.os}} - ${{matrix.libname}} ${{matrix.extraconf}}"
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env:
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SSLPKG: "${{matrix.sslpkg}}"
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NLPKG: "${{matrix.nlpkg}}"
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runs-on: ${{matrix.os}}
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steps:
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- name: Install dependencies
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run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev libcap-ng-dev linux-libc-dev man2html libcmocka-dev python3-docutils libtool automake autoconf ${SSLPKG} ${NLPKG}
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run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev libcap-ng-dev libnl-genl-3-dev linux-libc-dev man2html libcmocka-dev python3-docutils libtool automake autoconf ${SSLPKG}
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- name: Checkout OpenVPN
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uses: actions/checkout@v3
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- name: autoconf
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@ -354,7 +354,7 @@ jobs:
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runs-on: ${{matrix.os}}
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steps:
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- name: Install dependencies
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run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev libcap-ng-dev linux-libc-dev man2html clang libcmocka-dev python3-docutils libtool automake autoconf libmbedtls-dev
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run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev libcap-ng-dev libnl-genl-3-dev linux-libc-dev man2html clang libcmocka-dev python3-docutils libtool automake autoconf libmbedtls-dev
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- name: Checkout OpenVPN
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uses: actions/checkout@v3
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- name: autoconf
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@ -514,7 +514,7 @@ jobs:
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steps:
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- name: Install dependencies
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run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev linux-libc-dev man2html clang libcmocka-dev python3-docutils libtool automake autoconf pkg-config libcap-ng-dev
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run: sudo apt update && sudo apt install -y liblzo2-dev libpam0g-dev liblz4-dev linux-libc-dev man2html clang libcmocka-dev python3-docutils libtool automake autoconf pkg-config libcap-ng-dev libnl-genl-3-dev
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- name: "libressl: checkout"
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uses: actions/checkout@v3
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with:
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82
configure.ac
82
configure.ac
@ -157,14 +157,27 @@ AC_ARG_ENABLE(
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AC_ARG_ENABLE(
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[dco],
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[AS_HELP_STRING([--enable-dco], [enable data channel offload support using the ovpn-dco kernel module (always enabled on Windows) @<:@default=no@:>@])],
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[AS_HELP_STRING([--disable-dco], [disable data channel offload support using the ovpn-dco kernel module @<:@default=yes@:>@ on Linux/FreeBSD, can't disable on Windows])],
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,
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[enable_dco="no"]
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[
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case "$host" in
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*-*-linux*)
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enable_dco="auto"
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;;
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*-*-freebsd*)
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enable_dco="auto"
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;;
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*)
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# note that this does not disable it for Windows
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enable_dco="no"
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;;
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esac
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]
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)
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AC_ARG_ENABLE(
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[iproute2],
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[AS_HELP_STRING([--enable-iproute2], [enable support for iproute2 @<:@default=no@:>@])],
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[AS_HELP_STRING([--enable-iproute2], [enable support for iproute2 (disables DCO) @<:@default=no@:>@])],
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,
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[enable_iproute2="no"]
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)
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@ -549,7 +562,7 @@ AC_CHECK_DECLS(
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,
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[[${SOCKET_INCLUDES}]]
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)
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AC_CHECKING([anonymous union support])
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AC_MSG_CHECKING([anonymous union support])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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@ -784,28 +797,59 @@ PKG_CHECK_MODULES(
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)
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if test "$enable_dco" = "yes"; then
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dnl
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dnl Include generic netlink library used to talk to ovpn-dco
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dnl
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if test "$enable_dco" != "no"; then
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enable_dco_arg="$enable_dco"
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if test "${enable_iproute2}" = "yes"; then
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AC_MSG_WARN([DCO cannot be enabled when using iproute2])
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enable_dco="no"
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fi
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case "$host" in
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*-*-linux*)
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PKG_CHECK_MODULES([LIBNL_GENL],
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if test "$enable_dco" = "no"; then
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if test "$enable_dco_arg" = "auto"; then
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AC_MSG_WARN([DCO support disabled])
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else
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AC_MSG_ERROR([DCO support can't be enabled])
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fi
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else
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dnl
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dnl Include generic netlink library used to talk to ovpn-dco
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dnl
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PKG_CHECK_MODULES([LIBNL_GENL],
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[libnl-genl-3.0 >= 3.4.0],
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[have_libnl="yes"],
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[AC_MSG_ERROR([libnl-genl-3.0 package not found or too old. Is the development package and pkg-config installed? Must be version 3.4.0 or newer])]
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)
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[
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AC_MSG_ERROR([libnl-genl-3.0 package not found or too old. Is the development package and pkg-config installed? Must be version 3.4.0 or newer for DCO])
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]
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)
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CFLAGS="${CFLAGS} ${LIBNL_GENL_CFLAGS}"
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LIBS="${LIBS} ${LIBNL_GENL_LIBS}"
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CFLAGS="${CFLAGS} ${LIBNL_GENL_CFLAGS}"
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LIBS="${LIBS} ${LIBNL_GENL_LIBS}"
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AC_DEFINE(ENABLE_DCO, 1, [Enable shared data channel offload])
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AC_MSG_NOTICE([Enabled ovpn-dco support for Linux])
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AC_DEFINE(ENABLE_DCO, 1, [Enable shared data channel offload])
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AC_MSG_NOTICE([Enabled ovpn-dco support for Linux])
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fi
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;;
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*-*-freebsd*)
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LIBS="${LIBS} -lnv"
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AC_DEFINE(ENABLE_DCO, 1, [Enable data channel offload for FreeBSD])
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AC_MSG_NOTICE([Enabled ovpn-dco support for FreeBSD])
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AC_CHECK_LIB(
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[nv],
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[nvlist_create],
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[
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LIBS="${LIBS} -lnv"
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AC_DEFINE(ENABLE_DCO, 1, [Enable data channel offload for FreeBSD])
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AC_MSG_NOTICE([Enabled ovpn-dco support for FreeBSD])
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],
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[
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enable_dco="no"
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AC_MSG_WARN([Name/Value pair library not found.])
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]
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)
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if test "$enable_dco" = "no"; then
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if test "$enable_dco_arg" = "auto"; then
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AC_MSG_WARN([DCO support disabled])
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else
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AC_MSG_ERROR([DCO support can't be enabled])
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fi
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fi
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;;
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*-mingw*)
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AC_MSG_NOTICE([NOTE: --enable-dco ignored on Windows because it's always enabled])
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