AC_INIT([isync], [1.4.0]) AC_CONFIG_HEADERS([autodefs.h]) AC_CANONICAL_TARGET AM_INIT_AUTOMAKE AM_MAINTAINER_MODE AC_PROG_CC if test "$GCC" = yes; then warnings=" -Wall -Wextra -Wshadow -Wcast-qual -Wformat=2 -Wformat-signedness -Wformat-nonliteral -Wstrict-prototypes -Wno-overlength-strings " CFLAGS="$CFLAGS -pipe -std=c11 -pedantic $(echo $warnings)" fi AC_COMPILE_IFELSE([AC_LANG_SOURCE([ void fkt(void) { int a = 42; // c99 comment for (int i = 0; i < a; i++) {} // declaration inside for() int b; // declaration after code } // c11 anonymous structs/unions struct base { int a; }; union deriv { struct base gen; struct { int a; int b; }; }; ])], , [AC_MSG_ERROR([compiler does not support required C11 features])]) CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" AC_CHECK_PROG(PERL, perl, perl) if test "x$PERL" = "x"; then AC_MSG_ERROR([perl not found]) fi need_perl=5.14 AC_CACHE_CHECK([whether perl is recent enough], ob_cv_perl_ver, [ if $PERL -e "use v$need_perl;" 2> /dev/null; then ob_cv_perl_ver=yes else ob_cv_perl_ver=no fi ]) if test "x$ob_cv_perl_ver" = "xno"; then AC_MSG_ERROR([perl is too old, need v$need_perl]) fi AC_CACHE_CHECK([whether strftime supports %z], ob_cv_strftime_z, [AC_TRY_RUN( [#include #include int main(void) { time_t t = 0; char buf[32]; strftime(buf, sizeof(buf), "%z", localtime(&t)); return !(buf[0] == '+' || buf[0] == '-'); } ], [ob_cv_strftime_z=yes], [ob_cv_strftime_z=no], [ob_cv_strftime_z="yes (assumed)"])]) if test "x$ob_cv_strftime_z" = x"no"; then AC_MSG_ERROR([libc lacks necessary feature]) fi AC_CHECK_HEADERS(poll.h sys/select.h) AC_CHECK_FUNCS(vasprintf strnlen memrchr timegm) AC_CHECK_LIB(socket, socket, [SOCK_LIBS="-lsocket"]) AC_CHECK_LIB(nsl, inet_ntoa, [SOCK_LIBS="$SOCK_LIBS -lnsl"]) AC_SUBST(SOCK_LIBS) have_ipv6=true sav_LIBS=$LIBS LIBS="$LIBS $SOCK_LIBS" AC_CHECK_FUNCS(getaddrinfo inet_ntop, , [have_ipv6=false]) LIBS=$sav_LIBS if $have_ipv6; then AC_DEFINE(HAVE_IPV6, 1, [if your libc has IPv6 support]) fi have_ssl_paths= AC_ARG_WITH(ssl, AC_HELP_STRING([--with-ssl[=PATH]], [where to look for SSL [detect]]), [ob_cv_with_ssl=$withval]) if test "x$ob_cv_with_ssl" != xno; then case $ob_cv_with_ssl in ""|yes) dnl Detect the pkg-config tool, as it may have extra info about the openssl dnl installation we can use. I *believe* this is what we are expected to do dnl on really recent Redhat Linux hosts. PKG_PROG_PKG_CONFIG if test "x$PKG_CONFIG" != "x" ; then AC_MSG_CHECKING([OpenSSL presence with pkg-config]) if $PKG_CONFIG --exists openssl; then SSL_LIBS=`$PKG_CONFIG --libs-only-l openssl` SSL_LDFLAGS=`$PKG_CONFIG --libs-only-L openssl` SSL_CPPFLAGS=`$PKG_CONFIG --cflags-only-I openssl` have_ssl_paths=yes AC_MSG_RESULT([found]) else AC_MSG_RESULT([not found]) fi fi ;; *) SSL_LDFLAGS=-L$ob_cv_with_ssl/lib$libsuff SSL_CPPFLAGS=-I$ob_cv_with_ssl/include ;; esac if test -z "$have_ssl_paths"; then sav_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $SSL_LDFLAGS" AC_CHECK_LIB(dl, dlopen, [LIBDL=-ldl]) AC_CHECK_LIB(crypto, X509_cmp, [LIBCRYPTO=-lcrypto]) AC_CHECK_LIB(ssl, SSL_connect, [SSL_LIBS="-lssl $LIBCRYPTO $LIBDL" have_ssl_paths=yes]) LDFLAGS=$sav_LDFLAGS fi sav_CPPFLAGS=$CPPFLAGS CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS" AC_CHECK_HEADER(openssl/ssl.h, , [have_ssl_paths=]) CPPFLAGS=$sav_CPPFLAGS if test -z "$have_ssl_paths"; then if test -n "$ob_cv_with_ssl"; then AC_MSG_ERROR([OpenSSL libs and/or includes were not found where specified]) fi else AC_DEFINE(HAVE_LIBSSL, 1, [if you have the OpenSSL libraries]) CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS" LDFLAGS="$LDFLAGS $SSL_LDFLAGS" fi fi AC_SUBST(SSL_LIBS) have_sasl_paths= AC_ARG_WITH(sasl, AS_HELP_STRING([--with-sasl[=PATH]], [where to look for SASL [detect]]), [ob_cv_with_sasl=$withval]) if test "x$ob_cv_with_sasl" != xno; then case $ob_cv_with_sasl in ""|yes) dnl FIXME: Try various possible paths here... ;; *) SASL_LDFLAGS=-L$ob_cv_with_sasl/lib$libsuff SASL_CPPFLAGS=-I$ob_cv_with_sasl/include ;; esac if test -z "$have_sasl_paths"; then sav_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $SASL_LDFLAGS" AC_CHECK_LIB(sasl2, sasl_client_init, [SASL_LIBS="-lsasl2" have_sasl_paths=yes]) LDFLAGS=$sav_LDFLAGS fi sav_CPPFLAGS=$CPPFLAGS CPPFLAGS="$CPPFLAGS $SASL_CPPFLAGS" AC_CHECK_HEADER(sasl/sasl.h, , [have_sasl_paths=]) CPPFLAGS=$sav_CPPFLAGS if test -z "$have_sasl_paths"; then if test -n "$ob_cv_with_sasl"; then AC_MSG_ERROR([SASL libs and/or includes were not found where specified]) fi else AC_DEFINE(HAVE_LIBSASL, 1, [if you have the SASL libraries]) CPPFLAGS="$CPPFLAGS $SASL_CPPFLAGS" LDFLAGS="$LDFLAGS $SASL_LDFLAGS" fi fi AC_SUBST(SASL_LIBS) AC_CACHE_CHECK([for Berkeley DB >= 4.1], ac_cv_berkdb4, [ac_cv_berkdb4=no sav_LIBS=$LIBS LIBS="$LIBS -ldb" AC_TRY_LINK([#include ], [DB *db; db_create(&db, 0, 0); db->truncate(db, 0, 0, 0); db->open(db, 0, "foo", "foo", DB_HASH, DB_CREATE, 0)], [ac_cv_berkdb4=yes]) LIBS=$sav_LIBS ]) if test "x$ac_cv_berkdb4" = xyes; then AC_SUBST([DB_LIBS], ["-ldb"]) AC_DEFINE(USE_DB, 1, [if Berkeley DB should be used]) fi have_zlib= AC_ARG_WITH(zlib, AS_HELP_STRING([--with-zlib], [use zlib [detect]]), [ob_cv_with_zlib=$withval]) if test "x$ob_cv_with_zlib" != xno; then AC_CHECK_LIB([z], [deflate], [AC_CHECK_HEADER(zlib.h, [have_zlib=1 AC_SUBST([Z_LIBS], ["-lz"]) AC_DEFINE([HAVE_LIBZ], 1, [if you have the zlib library])] )] ) fi AM_CONDITIONAL(with_mdconvert, test "x$ac_cv_berkdb4" = xyes) case $target_os in darwin*) darwin=yes ;; *) darwin=no ;; esac AC_ARG_WITH( macos-keychain, [AS_HELP_STRING([--with-macos-keychain], [Support macOS keychain])], [have_macos_keychain=$withval], [have_macos_keychain=$darwin]) if test "x$have_macos_keychain" != xno; then if test $darwin = no; then AC_MSG_ERROR([Cannot use macOS Keychain outside macOS.]) fi have_macos_keychain=yes AC_DEFINE(HAVE_MACOS_KEYCHAIN, 1, [Define to 1 if you have the macOS Keychain Services API.]) AC_SUBST(KEYCHAIN_LIBS, ["-Wl,-framework,Security,-framework,CoreFoundation"]) fi AC_CONFIG_FILES([Makefile src/Makefile isync.spec]) AC_OUTPUT AC_MSG_RESULT() if test -n "$have_ssl_paths"; then AC_MSG_RESULT([Using SSL]) else AC_MSG_RESULT([Not using SSL]) fi if test -n "$have_sasl_paths"; then AC_MSG_RESULT([Using SASL]) else AC_MSG_RESULT([Not using SASL]) fi if test -n "$have_zlib"; then AC_MSG_RESULT([Using zlib]) else AC_MSG_RESULT([Not using zlib]) fi if test "x$ac_cv_berkdb4" = xyes; then AC_MSG_RESULT([Using Berkeley DB]) else AC_MSG_RESULT([Not using Berkeley DB]) fi if test $darwin = yes; then if test "x$have_macos_keychain" = xyes; then AC_MSG_RESULT([Using macOS Keychain]) else AC_MSG_RESULT([Not using macOS Keychain]) fi fi AC_MSG_RESULT()