#
# ngIRCd -- The Next Generation IRC Daemon
-# Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors
+# Copyright (c)2001-2024 Alexander Barton (alex@barton.de) and Contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# -- Initialisation --
AC_PREREQ([2.61])
-AC_INIT([ngIRCd], VERSION_ID,
- [ngircd-ml@ngircd.barton.de], [ngircd], [http://ngircd.barton.de/])
+AC_INIT([ngIRCd],[VERSION_ID],[ngircd@lists.barton.de],[ngircd],[https://ngircd.barton.de/])
AC_CONFIG_SRCDIR([src/ngircd/ngircd.c])
AC_CONFIG_HEADER([src/config.h])
AC_CANONICAL_HOST
-AM_INIT_AUTOMAKE([-Wall 1.10 ]ng_color_tests)
+AM_INIT_AUTOMAKE([-Wall 1.10 foreign ]ng_color_tests)
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
+AC_PROG_MKDIR_P
AC_PROG_RANLIB
# -- Compiler Features --
AC_C_INLINE
__ng_PROTOTYPES__
-# -- Hard coded system and compiler dependencies/features/options ... --
+# -- Function Definitions --
AC_DEFUN([GCC_STACK_PROTECT_CC],[
- ssp_cc=yes
- # we use -fstack-protector-all for the test to enfoce the use of the guard variable
- AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
- ssp_old_cflags="$CFLAGS"
- CFLAGS="$CFLAGS -fstack-protector-all"
- AC_TRY_LINK(,,, ssp_cc=no)
- echo $ssp_cc
- CFLAGS="$ssp_old_cflags"
- if test "X$ssp_cc" = "Xyes"; then
- CFLAGS="$CFLAGS -fstack-protector"
- AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
- fi
+ ssp_cc=yes
+ # Use -fstack-protector-all for the test to enfoce the use of the
+ # guard variable
+ AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
+ ssp_old_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS -fstack-protector-all"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],[],[ssp_cc=no])
+ echo $ssp_cc
+ CFLAGS="$ssp_old_cflags"
+ if test "X$ssp_cc" = "Xyes"; then
+ CFLAGS="$CFLAGS -fstack-protector"
+ AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
+ fi
+])
+
+AC_DEFUN([WORKING_GETADDRINFO],[
+ AC_CHECK_FUNCS([getaddrinfo],[
+ AC_MSG_CHECKING([whether getaddrinfo() works])
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <string.h>
+int
+main(int argc, char **argv)
+{
+ struct addrinfo hints, *ai;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = AI_PASSIVE;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_family = PF_UNSPEC;
+ if(getaddrinfo(NULL, "0", &hints, &ai) != 0)
+ return 1;
+ return 0;
+}
+ ]])],[
+ AC_DEFINE([HAVE_WORKING_GETADDRINFO], 1, [getaddrinfo(0)])
+ AC_MSG_RESULT(yes)
+ ],[
+ AC_MSG_RESULT(no)
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+ ])
+])
+
+AC_DEFUN([GCC_W_NO_FORMAT_TRUNC],[
+ result=yes
+ AC_MSG_CHECKING([whether ${CC} accepts -Wno-format-truncation])
+ old_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -Wno-format-truncation"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],[],[result=no])
+ echo $result
+ if test "X$result" = "Xyes"; then
+ CFLAGS="$old_cflags -Wno-format-truncation"
+ else
+ CFLAGS="$old_cflags"
+ fi
])
+# -- Hard coded system and compiler dependencies/features/options ... --
+
if test "$GCC" = "yes"; then
# We are using the GNU C compiler. Good!
CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
GCC_STACK_PROTECT_CC
+ GCC_W_NO_FORMAT_TRUNC
fi
case "$host_os" in
# Required header files
AC_CHECK_HEADERS([ \
- fcntl.h netdb.h netinet/in.h stdlib.h string.h \
- strings.h sys/socket.h sys/time.h unistd.h \
+ fcntl.h \
+ netdb.h \
+ netinet/in.h \
+ stdlib.h \
+ string.h \
+ strings.h \
+ sys/socket.h \
+ sys/time.h \
+ sys/types.h \
+ unistd.h \
],,AC_MSG_ERROR([required C header missing!]))
# Optional header files
AC_CHECK_HEADERS_ONCE([ \
- arpa/inet.h inttypes.h malloc.h netinet/in_systm.h netinet/ip.h \
- stdbool.h stddef.h stdint.h varargs.h \
- ])
+ arpa/inet.h \
+ inttypes.h \
+ malloc.h \
+ netinet/in_systm.h \
+ netinet/ip.h \
+ stdbool.h \
+ stddef.h \
+ stdint.h \
+ varargs.h \
+])
# -- Datatypes --
AC_MSG_CHECKING(whether socklen_t exists)
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/socket.h>
- ],[
+ ]],[[
socklen_t a, b;
a = 2; b = 4; a += b;
- ],[
+ ]])],[
AC_DEFINE(HAVE_socklen_t) AC_MSG_RESULT(yes)
],[
AC_MSG_RESULT(no)
])
AC_TYPE_PID_T
-AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UID_T
# Required functions
AC_CHECK_FUNCS([ \
- alarm dup2 endpwent gethostbyaddr gethostbyname gethostname \
- gettimeofday inet_ntoa memmove memset setsid socket strcasecmp \
- strchr strcspn strerror strncasecmp strrchr strspn strstr \
+ alarm \
+ dup2 \
+ endpwent \
+ gethostbyaddr \
+ gethostbyname \
+ gethostname \
+ gettimeofday \
+ inet_ntoa \
+ memmove \
+ memset \
+ setsid \
+ socket \
+ strcasecmp \
+ strchr \
+ strcspn \
+ strerror \
+ strncasecmp \
+ strrchr \
+ strspn \
+ strstr \
],,
AC_MSG_ERROR([required function missing!]))
# Optional functions
-AC_CHECK_FUNCS_ONCE([ \
- gai_strerror getaddrinfo getnameinfo inet_aton sigaction sigprocmask \
- snprintf vsnprintf strdup strlcpy strlcat strtok_r waitpid])
+AC_CHECK_FUNCS_ONCE([
+ arc4random \
+ arc4random_stir \
+ gai_strerror \
+ getnameinfo \
+ inet_aton \
+ setgroups \
+ sigaction \
+ sigprocmask \
+ snprintf \
+ strdup \
+ strlcat \
+ strlcpy \
+ strndup \
+ strsignal \
+ strtok_r \
+ unsetenv \
+ vsnprintf \
+ waitpid \
+])
+
+WORKING_GETADDRINFO
# -- Configuration options --
CPPFLAGS="-I$withval/include $CPPFLAGS"
LDFLAGS="-L$withval/lib $LDFLAGS"
fi
- AC_CHECK_LIB(crypto, BIO_s_mem)
- AC_CHECK_LIB(ssl, SSL_library_init)
- AC_CHECK_FUNCS(SSL_library_init, x_ssl_openssl=yes,
+ PKG_CHECK_MODULES([OPENSSL], [libssl libcrypto],
+ [LIBS="$LIBS $OPENSSL_LIBS" CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
+ AC_DEFINE(HAVE_LIBSSL, 1)],
+ [AC_CHECK_LIB(crypto, BIO_s_mem)
+ AC_CHECK_LIB(ssl, SSL_new)]
+ )
+ AC_CHECK_FUNCS(SSL_new, x_ssl_openssl=yes,
AC_MSG_ERROR([Can't enable openssl])
)
fi
x_ssl_lib=openssl
fi
+AM_CONDITIONAL(HAVE_SSL, [test $x_ssl_lib != "no"])
+
# use TCP wrappers?
x_tcpwrap_on=no
LDFLAGS="-L$withval/lib $LDFLAGS"
fi
AC_MSG_CHECKING(for hosts_access)
+ saved_LIBS="$LIBS"
LIBS="-lwrap $LIBS"
- AC_TRY_LINK([
+ LIBS_END="-lwrap $LIBS_END"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
#include <tcpd.h>
int allow_severity = 0;
int deny_severity = 0;
- ],[
+ ]],[[
tcpd_warn("link test");
- ],[
+ ]])],[
AC_MSG_RESULT(yes)
AC_DEFINE(TCPWRAP, 1)
x_tcpwrap_on=yes
AC_MSG_RESULT(no)
AC_MSG_ERROR([Can't enable TCP wrappers!])
])
+ LIBS="$saved_LIBS"
fi
]
)
LDFLAGS="-L$withval/lib $LDFLAGS"
fi
AC_CHECK_LIB(iconv, iconv_open)
- AC_CHECK_FUNCS(iconv_open, x_iconv_on=yes,
+ AC_CHECK_FUNCS(iconv_open, x_iconv_on=yes)
+ if test "$x_iconv_on" != "yes"; then
AC_CHECK_LIB(iconv, libiconv_open)
- AC_CHECK_FUNCS(libiconv_open, x_iconv_on=yes,
- AC_MSG_ERROR([Can't enable libiconv support!])
- )
- )
- fi
- ]
+ AC_CHECK_FUNCS(libiconv_open, x_iconv_on=yes)
+ fi
+ if test "$x_iconv_on" != "yes"; then
+ AC_MSG_ERROR([Can't enable libiconv support!])
+ fi
+ fi ]
)
if test "$x_iconv_on" = "yes"; then
AC_DEFINE(ICONV, 1)
fi
# enable support for IPv6?
-x_ipv6_on=no
+
+x_ipv6_on=yes
AC_ARG_ENABLE(ipv6,
- AS_HELP_STRING([--enable-ipv6],
- [enable IPv6 protocol support]),
- if test "$enableval" = "yes"; then x_ipv6_on=yes; fi
+ AS_HELP_STRING([--disable-ipv6],
+ [disable IPv6 protocol support (autodetected by default)]),
+ [ if test "$enableval" = "no"; then
+ x_ipv6_on=no
+ else
+ AC_CHECK_FUNCS(
+ [getaddrinfo getnameinfo],,
+ AC_MSG_ERROR([required function missing for IPv6 support!])
+ )
+ fi
+ ],
+ [ AC_CHECK_FUNCS([getaddrinfo getnameinfo],, x_ipv6_on=no)
+ ]
)
if test "$x_ipv6_on" = "yes"; then
- # getaddrinfo() and getnameinfo() are optional when not compiling
- # with IPv6 support, but are required for IPv6 to work!
- AC_CHECK_FUNCS([ \
- getaddrinfo getnameinfo \
- ],,AC_MSG_ERROR([required function missing for IPv6 support!]))
AC_DEFINE(WANT_IPV6, 1)
fi
AC_DEFINE_UNQUOTED(HOST_VENDOR, "$host_vendor" )
AC_DEFINE_UNQUOTED(HOST_OS, "$host_os" )
-# Add additional CFLAGS, eventually specified on the command line, but after
-# running this configure script. Useful for "-Werror" for example.
+# Add additional CFLAGS, LDFLAGS and LIBS which were specified on the command
+# line or by some tests from above, but after running this script. Useful for
+# adding "-Werror", for example:
test -n "$CFLAGS_END" && CFLAGS="$CFLAGS $CFLAGS_END"
+test -n "$LDFLAGS_END" && LDFLAGS="$LDFLAGS $LDFLAGS_END"
+test -n "$LIBS_END" && LIBS="$LIBS $LIBS_END"
# -- Generate files --
AC_CONFIG_FILES([ \
Makefile \
contrib/Debian/Makefile \
- contrib/MacOSX/Makefile \
- contrib/MacOSX/ngIRCd.pmdoc/Makefile \
- contrib/MacOSX/ngIRCd.xcodeproj/Makefile \
contrib/Makefile \
doc/Makefile \
doc/src/Makefile \
# Generate debian/ link if the dpkg command exists
# (read: if we are running on a debian compatible system)
echo "creating Debian-specific links ..."
- test -f debian/rules || ln -s contrib/Debian debian
+ if test ! -f debian/rules -a -f contrib/Debian/rules; then
+ ln -s contrib/Debian debian
+ fi
fi
# -- Result --
&& echo $ECHO_N "yes $ECHO_C" \
|| echo $ECHO_N "no $ECHO_C"
echo $ECHO_N " I/O backend: $ECHO_C"
- echo "\"$x_io_backend\""
+ echo "$x_io_backend"
echo $ECHO_N " PAM support: $ECHO_C"
test "$x_pam_on" = "yes" \