| 1 | dnl Copyright (c) 1998 N. D. Bellamy |
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| 2 | |
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| 3 | AC_DEFUN(AC_CHECK_SOCKS5, |
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| 4 | [ |
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| 5 | AC_MSG_CHECKING(whether to enable SOCKS5 support) |
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| 6 | |
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| 7 | WITH_SOCKS5="no" |
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| 8 | SOCKS_LIBS="" |
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| 9 | SOCKS_LIBDIR="" |
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| 10 | SOCKS_INCDIR="" |
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| 11 | |
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| 12 | AC_ARG_ENABLE( |
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| 13 | socks5, |
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| 14 | [ --enable-socks5 enable SOCKS5 firewall support], |
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| 15 | WITH_SOCKS5=yes) |
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| 16 | |
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| 17 | AC_ARG_WITH( |
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| 18 | socks5-inc, |
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| 19 | [ --with-socks5-inc=PATH include path for SOCKS5 headers], |
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| 20 | socks_incdir="$withval", socks_incdir="no") |
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| 21 | |
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| 22 | AC_ARG_WITH( |
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| 23 | socks5-lib, |
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| 24 | [ --with-socks5-lib=PATH library path for SOCKS5 libraries], |
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| 25 | socks_libdir="$withval", socks_libdir="no") |
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| 26 | |
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| 27 | if test "$WITH_SOCKS5" = "no"; then |
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| 28 | AC_MSG_RESULT(no) |
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| 29 | else |
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| 30 | AC_MSG_RESULT(yes) |
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| 31 | |
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| 32 | if test "$socks_libdir" = "no"; then |
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| 33 | AC_CHECK_LIB(socks5, SOCKSconnect, SOCKS_LIBS="-lsocks5") |
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| 34 | else |
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| 35 | AC_MSG_CHECKING(where to look for the SOCKS5 library) |
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| 36 | SOCKS_LIBS="-lsocks5" |
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| 37 | SOCKS_LIBDIR="-L$socks_libdir" |
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| 38 | AC_MSG_RESULT($socks_libdir) |
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| 39 | fi |
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| 40 | |
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| 41 | if test "$socks_incdir" = "no"; then |
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| 42 | AC_CHECK_HEADER(socks.h) |
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| 43 | else |
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| 44 | AC_MSG_CHECKING(where to look for the SOCKS5 headers) |
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| 45 | SOCKS_INCDIR="-I$socks_incdir" |
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| 46 | AC_MSG_RESULT($socks_incdir) |
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| 47 | fi |
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| 48 | AC_DEFINE(USE_SOCKS5) |
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| 49 | fi |
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| 50 | |
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| 51 | dnl Substitute these even if they're null, so as not to mess up makefiles |
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| 52 | |
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| 53 | AC_SUBST(SOCKS_LIBS) |
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| 54 | AC_SUBST(SOCKS_LIBDIR) |
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| 55 | AC_SUBST(SOCKS_INCDIR) |
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| 56 | ]) |
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| 57 | |
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| 58 | dnl Check if it is possible to turn off run time type information (RTTI) |
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| 59 | AC_DEFUN(AC_PROG_CXX_FNO_RTTI, |
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| 60 | [AC_CACHE_CHECK(whether ${CXX-g++} accepts -fno-rtti, ac_cv_prog_cxx_fno_rtti, |
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| 61 | [echo 'void f(){}' > conftest.cc |
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| 62 | if test -z "`${CXX-g++} -fno-rtti -c conftest.cc 2>&1`"; then |
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| 63 | ac_cv_prog_cxx_fno_rtti=yes |
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| 64 | CXXFLAGS="${CXXFLAGS} -fno-rtti" |
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| 65 | else |
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| 66 | ac_cv_prog_cxx_fno_rtti=no |
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| 67 | fi |
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| 68 | rm -f conftest* |
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| 69 | ])]) |
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| 70 | |
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| 71 | dnl Check if the type socklen_t is defined anywhere |
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| 72 | AC_DEFUN(AC_C_SOCKLEN_T, |
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| 73 | [AC_CACHE_CHECK(for socklen_t, ac_cv_c_socklen_t, |
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| 74 | [ AC_TRY_COMPILE([ |
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| 75 | #include <sys/types.h> |
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| 76 | #include <sys/socket.h> |
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| 77 | ],[ |
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| 78 | socklen_t foo; |
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| 79 | ],[ |
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| 80 | ac_cv_c_socklen_t=yes |
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| 81 | ],[ |
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| 82 | ac_cv_c_socklen_t=no |
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| 83 | AC_DEFINE(socklen_t,int) |
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| 84 | ])])]) |
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| 85 | |
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| 86 | dnl Check for sys_errlist[] and sys_nerr, check for declaration |
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| 87 | dnl Check nicked from aclocal.m4 used by GNU bash 2.01 |
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| 88 | AC_DEFUN(AC_SYS_ERRLIST, |
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| 89 | [AC_MSG_CHECKING([for sys_errlist and sys_nerr]) |
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| 90 | AC_CACHE_VAL(ac_cv_sys_errlist, |
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| 91 | [AC_TRY_LINK([#include <errno.h>], |
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| 92 | [extern char *sys_errlist[]; |
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| 93 | extern int sys_nerr; |
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| 94 | char *msg = sys_errlist[sys_nerr - 1];], |
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| 95 | ac_cv_sys_errlist=yes, ac_cv_sys_errlist=no)])dnl |
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| 96 | AC_MSG_RESULT($ac_cv_sys_errlist) |
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| 97 | if test $ac_cv_sys_errlist = yes; then |
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| 98 | AC_DEFINE(HAVE_SYS_ERRLIST) |
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| 99 | fi |
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| 100 | ]) |
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