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Use docker to build static releases
Static builds are possible with the musl C library. glibc is capricious when it comes to static linking and DNS support (and other things).
This commit is contained in:
Nicolas Viennot
parent
d654ff2219
commit
44635e752d
27
Dockerfile
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27
Dockerfile
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@ -0,0 +1,27 @@
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FROM alpine:3.10
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WORKDIR /build
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RUN apk add --no-cache wget cmake make gcc g++ linux-headers zlib-dev openssl-dev \
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automake autoconf libevent-dev ncurses-dev msgpack-c-dev libexecinfo-dev \
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ncurses-static libexecinfo-static libevent-static msgpack-c ncurses-libs \
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libevent libexecinfo openssl zlib
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RUN set -ex; \
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mkdir -p /src/libssh/build; \
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cd /src; \
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wget -O libssh.tar.xz https://www.libssh.org/files/0.9/libssh-0.9.0.tar.xz; \
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tar -xf libssh.tar.xz -C /src/libssh --strip-components=1; \
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cd /src/libssh/build; \
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cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr \
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-DWITH_SFTP=OFF -DWITH_SERVER=OFF -DWITH_PCAP=OFF \
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-DWITH_STATIC_LIB=ON -DWITH_GSSAPI=OFF ..; \
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make -j $(nproc); \
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make install
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COPY . .
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RUN ./autogen.sh
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RUN ./configure --enable-static
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RUN make -j $(nproc)
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RUN strip tmate
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@ -1,61 +0,0 @@
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LIBSSH=libssh-0.7.2
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LIBSSH_URL=https://red.libssh.org/attachments/download/177/$(LIBSSH).tar.xz
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LIBSSH_LIB=ext/lib/libssh.a
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MSGPACK=msgpack-1.3.0
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MSGPACK_URL=https://github.com/msgpack/msgpack-c/releases/download/cpp-1.3.0/$(MSGPACK).tar.gz
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MSGPACK_LIB=ext/lib/libmsgpack.a
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TMATE_CONFIGURE=PKG_CONFIG_PATH=./ext/lib/pkgconfig
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LIBC=$(shell gcc -print-file-name=libc.a)
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STATIC_LIBC_OBJECTS=fdelt_chk
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STATIC_COMPAT_OBJECTS=memcpy clock_gettime
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all: tmate
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dependencies:
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apt-get install build-essential cmake libssl-dev autoconf automake pkg-config libtool libevent-dev libncurses-dev zlib1g-dev
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downloads/$(notdir $(LIBSSH_URL)):
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mkdir -p downloads
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wget -O $@ $(LIBSSH_URL)
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$(LIBSSH)/.ready: downloads/$(notdir $(LIBSSH_URL))
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tar xf $<
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touch $@
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downloads/$(notdir $(MSGPACK_URL)):
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mkdir -p downloads
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wget -O $@ $(MSGPACK_URL)
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$(MSGPACK)/.ready: downloads/$(notdir $(MSGPACK_URL))
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tar xf $<
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touch $@
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$(LIBSSH_LIB): $(LIBSSH)/.ready
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mkdir -p $(LIBSSH)/build
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cd $(LIBSSH)/build; ([ -f Makefile ] || cmake -DCMAKE_INSTALL_PREFIX:PATH=$(shell pwd)/ext .. -DWITH_SFTP=OFF -DWITH_SERVER=OFF -DWITH_PCAP=OFF -DWITH_STATIC_LIB=ON -DWITH_GSSAPI=OFF)
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+make -C $(LIBSSH)/build install
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$(MSGPACK_LIB): $(MSGPACK)/.ready
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mkdir -p $(MSGPACK)/build
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cd $(MSGPACK)/build; ([ -f Makefile ] || cmake -DCMAKE_INSTALL_PREFIX:PATH=$(shell pwd)/ext ..)
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+make -C $(MSGPACK)/build install
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libc/%.o:
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mkdir -p libc
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cd libc; ar x $(LIBC) $(notdir $@)
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compat/%.o: compat/%.c
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gcc -c -o $@ $<
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tmate: $(MSGPACK_LIB) $(LIBSSH_LIB) $(patsubst %,libc/%.o,$(STATIC_LIBC_OBJECTS)) $(patsubst %,compat/%.o,$(STATIC_COMPAT_OBJECTS))
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./autogen.sh
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$(TMATE_CONFIGURE) ./configure --enable-static
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+make
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strip tmate
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clean:
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rm -rf ext libc $(LIBSSH) $(MSGPACK)
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+make clean
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@ -1,9 +0,0 @@
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#define _GNU_SOURCE
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#include <time.h>
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#include <unistd.h>
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#include <sys/syscall.h>
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int clock_gettime(clockid_t clk_id, struct timespec *tp)
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{
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return syscall(SYS_clock_gettime, clk_id, tp);
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}
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@ -1,11 +0,0 @@
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// http://stackoverflow.com/questions/8823267/linking-against-older-symbol-version-in-a-so-file
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#include <string.h>
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/* some systems do not have newest memcpy@@GLIBC_2.14 - stay with old good one */
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asm (".symver memcpy, memcpy@GLIBC_2.2.5");
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void *__wrap_memcpy(void *dest, const void *src, size_t n)
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{
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return memcpy(dest, src, n);
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}
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15
configure.ac
15
configure.ac
@ -47,10 +47,11 @@ AC_ARG_ENABLE(
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found_static=$enable_static
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)
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if test "x$found_static" = xyes; then
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# XXX Static build are only doable with the musl library
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PKG_CONFIG="pkg-config --static"
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CFLAGS="$CFLAGS -flto"
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LDFLAGS="$LDFLAGS -flto"
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LDFLAGS="$LDFLAGS -flto -static -no-pie"
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PKG_CHECK_MODULES([ZLIB], [zlib], [
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CPPFLAGS="$ZLIB_CFLAGS $CPPFLAGS"
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@ -61,7 +62,6 @@ if test "x$found_static" = xyes; then
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CPPFLAGS="$LIBCRYPTO_CFLAGS $CPPFLAGS"
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LIBS="$LIBCRYPTO_LIBS $LIBS"
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])
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# See more static settings below... (search for found_static)
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fi
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# Is this gcc?
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@ -462,17 +462,6 @@ if test "x$found_getopt" != xno; then
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fi
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AM_CONDITIONAL(NO_GETOPT, [test "x$found_getopt" = xno])
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if test "x$found_static" = xyes; then
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# libc and libdl should be dynamically linked.
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# but we want to lower our requirements for libc's version.
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# so we extract some symobls and add them here
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if test `uname -m` = x86_64; then
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LIBS="compat/memcpy.o -Wl,--wrap=memcpy $LIBS"
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fi
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LIBS="compat/clock_gettime.o libc/fdelt_chk.o $LIBS"
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LIBS="-Wl,-Bstatic ${LIBS/-ldl/} -Wl,-Bdynamic -ldl"
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fi
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# Check for BSD-style integer types.
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AC_MSG_CHECKING(for BSD-style unsigned types)
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AC_COMPILE_IFELSE([AC_LANG_SOURCE(
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