4f383a8074
memcmp() is unfortunately not guaranteed to read forward byte-by-byte, which means that the clever use as a strncmp() without the pointless strlen()s is not permitted, and can actually misbehave with SSE-optimized string functions. so implement proper equals() and starts_with() functions. as a bonus, the calls are less cryptic.
134 lines
3.8 KiB
Plaintext
134 lines
3.8 KiB
Plaintext
AC_INIT([isync], [1.1.2])
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AC_CONFIG_HEADERS([autodefs.h])
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AM_INIT_AUTOMAKE
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AM_MAINTAINER_MODE
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AC_PROG_CC
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if test "$GCC" = yes; then
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CFLAGS="$CFLAGS -pipe -W -Wall -Wshadow -Wstrict-prototypes -ansi -pedantic -Wno-overlength-strings"
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fi
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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AC_CACHE_CHECK([whether strftime supports %z], ob_cv_strftime_z,
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[AC_TRY_RUN(
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[#include <time.h>
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#include <string.h>
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int main(void)
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{
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time_t t = 0;
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char buf[32];
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strftime(buf, sizeof(buf), "%z", localtime(&t));
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return !(buf[0] == '+' || buf[0] == '-');
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}
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], [ob_cv_strftime_z=yes], [ob_cv_strftime_z=no], [ob_cv_strftime_z="yes (assumed)"])])
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if test "x$ob_cv_strftime_z" = x"no"; then
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AC_MSG_ERROR([libc lacks necessary feature])
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fi
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AC_CHECK_HEADERS(sys/poll.h sys/select.h)
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AC_CHECK_FUNCS(vasprintf strnlen memrchr timegm)
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AC_CHECK_LIB(socket, socket, [SOCK_LIBS="-lsocket"])
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AC_CHECK_LIB(nsl, inet_ntoa, [SOCK_LIBS="$SOCK_LIBS -lnsl"])
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AC_SUBST(SOCK_LIBS)
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have_ipv6=true
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sav_LDFLAGS=$LDFLAGS
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LDFLAGS="$LDFLAGS $SOCK_LIBS"
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AC_CHECK_FUNCS(getaddrinfo inet_ntop, , [have_ipv6=false])
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LDFLAGS=$sav_LDFLAGS
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if $have_ipv6; then
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AC_DEFINE(HAVE_IPV6, 1, [if your libc has IPv6 support])
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fi
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have_ssl_paths=
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AC_ARG_WITH(ssl,
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AC_HELP_STRING([--with-ssl[=PATH]], [where to look for SSL [detect]]),
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[ob_cv_with_ssl=$withval])
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if test "x$ob_cv_with_ssl" != xno; then
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case $ob_cv_with_ssl in
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""|yes)
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dnl Detect the pkg-config tool, as it may have extra info about the openssl
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dnl installation we can use. I *believe* this is what we are expected to do
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dnl on really recent Redhat Linux hosts.
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AC_PATH_PROG(PKGCONFIG, pkg-config, no, $PATH:/usr/bin:/usr/local/bin)
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if test "$PKGCONFIG" != "no" ; then
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AC_MSG_CHECKING([OpenSSL presence with pkg-config])
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if $PKGCONFIG --exists openssl; then
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SSL_LIBS=`$PKGCONFIG --libs-only-l openssl`
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SSL_LDFLAGS=`$PKGCONFIG --libs-only-L openssl`
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SSL_CPPFLAGS=`$PKGCONFIG --cflags-only-I openssl`
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have_ssl_paths=yes
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AC_MSG_RESULT([found])
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else
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AC_MSG_RESULT([not found])
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fi
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fi
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;;
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*)
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SSL_LDFLAGS=-L$ob_cv_with_ssl/lib$libsuff
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SSL_CPPFLAGS=-I$ob_cv_with_ssl/include
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;;
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esac
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if test -z "$have_ssl_paths"; then
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sav_LDFLAGS=$LDFLAGS
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LDFLAGS="$LDFLAGS $SSL_LDFLAGS"
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AC_CHECK_LIB(dl, dlopen, [LIBDL=-ldl])
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AC_CHECK_LIB(crypto, CRYPTO_lock, [LIBCRYPTO=-lcrypto])
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AC_CHECK_LIB(ssl, SSL_connect,
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[SSL_LIBS="-lssl $LIBCRYPTO $LIBDL" have_ssl_paths=yes])
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LDFLAGS=$sav_LDFLAGS
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fi
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sav_CPPFLAGS=$CPPFLAGS
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CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS"
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AC_CHECK_HEADER(openssl/ssl.h, , [have_ssl_paths=])
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CPPFLAGS=$sav_CPPFLAGS
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if test -z "$have_ssl_paths"; then
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if test -n "$ob_cv_with_ssl"; then
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AC_MSG_ERROR([OpenSSL libs and/or includes were not found where specified])
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fi
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else
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AC_DEFINE(HAVE_LIBSSL, 1, [if you have the OpenSSL libraries])
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CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS"
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LDFLAGS="$LDFLAGS $SSL_LDFLAGS"
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fi
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fi
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AC_SUBST(SSL_LIBS)
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AC_CACHE_CHECK([for Berkley DB >= 4.2], ac_cv_berkdb4,
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[ac_cv_berkdb4=no
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AC_TRY_LINK([#include <db.h>],
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[DB *db;
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db->truncate(db, 0, 0, 0);
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db->open(db, 0, "foo", "foo", DB_HASH, DB_CREATE, 0)],
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[ac_cv_berkdb4=yes])])
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if test "x$ac_cv_berkdb4" = xno; then
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AC_MSG_ERROR([Berkley DB >= 4.2 not found.])
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fi
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AC_ARG_ENABLE(compat,
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AC_HELP_STRING([--disable-compat], [don't include isync compatibility wrapper [no]]),
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[ob_cv_enable_compat=$enableval])
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if test "x$ob_cv_enable_compat" != xno; then
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AC_CHECK_FUNCS(getopt_long)
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fi
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AM_CONDITIONAL(with_compat, test "x$ob_cv_enable_compat" != xno)
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AC_CONFIG_FILES([Makefile src/Makefile src/compat/Makefile isync.spec])
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AC_OUTPUT
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if test -n "$have_ssl_paths"; then
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AC_MSG_RESULT([
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Using SSL
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])
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else
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AC_MSG_RESULT([
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Not using SSL
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])
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fi
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