138 lines
4.3 KiB
Plaintext
138 lines
4.3 KiB
Plaintext
AC_DEFUN([CHECK_OS_OPTIONS], [
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CFLAGS="$CFLAGS -Wall -std=gnu99 -fno-strict-aliasing"
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BUILD_NC=yes
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case $host_os in
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*aix*)
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HOST_OS=aix
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if test "`echo $CC | cut -d ' ' -f 1`" != "gcc" ; then
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CFLAGS="-qnoansialias $USER_CFLAGS"
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fi
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AC_SUBST([PLATFORM_LDADD], ['-lperfstat -lpthread'])
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;;
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*cygwin*)
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HOST_OS=cygwin
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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;;
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*darwin*)
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HOST_OS=darwin
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HOST_ABI=macosx
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#
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# Don't use arc4random on systems before 10.12 because of
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# weak seed on failure to open /dev/random, based on latest
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# public source:
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# http://www.opensource.apple.com/source/Libc/Libc-997.90.3/gen/FreeBSD/arc4random.c
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#
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# We use the presence of getentropy() to detect 10.12. The
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# following check take into account that:
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#
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# - iOS <= 10.1 fails because of missing getentropy and
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# hence they miss sys/random.h
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#
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# - in macOS 10.12 getentropy is not tagged as introduced in
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# 10.12 so we cannot use it for target < 10.12
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#
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <AvailabilityMacros.h>
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#include <unistd.h>
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#include <sys/random.h> /* Systems without getentropy() should die here */
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/* Based on: https://gitweb.torproject.org/tor.git/commit/?id=16fcbd21 */
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#ifndef MAC_OS_X_VERSION_10_12
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# define MAC_OS_X_VERSION_10_12 101200
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#endif
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#if defined(MAC_OS_X_VERSION_MIN_REQUIRED)
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# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12
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# error "Running on Mac OSX 10.11 or earlier"
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# endif
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#endif
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]], [[
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char buf[1]; getentropy(buf, 1);
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]])],
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[ USE_BUILTIN_ARC4RANDOM=no ],
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[ USE_BUILTIN_ARC4RANDOM=yes ]
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)
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AC_MSG_CHECKING([whether to use builtin arc4random])
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AC_MSG_RESULT([$USE_BUILTIN_ARC4RANDOM])
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# Not available on iOS
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AC_CHECK_HEADER([arpa/telnet.h], [], [BUILD_NC=no])
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;;
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*freebsd*)
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HOST_OS=freebsd
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HOST_ABI=elf
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# fork detection missing, weak seed on failure
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# https://svnweb.freebsd.org/base/head/lib/libc/gen/arc4random.c?revision=268642&view=markup
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USE_BUILTIN_ARC4RANDOM=yes
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AC_SUBST([PROG_LDADD], ['-lthr'])
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;;
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*hpux*)
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HOST_OS=hpux;
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if test "`echo $CC | cut -d ' ' -f 1`" = "gcc" ; then
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CFLAGS="$CFLAGS -mlp64"
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else
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CFLAGS="-g -O2 +DD64 +Otype_safety=off $USER_CFLAGS"
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fi
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CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D__STRICT_ALIGNMENT"
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AC_SUBST([PLATFORM_LDADD], ['-lpthread'])
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;;
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*linux*)
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HOST_OS=linux
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HOST_ABI=elf
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CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_SOURCE -D_GNU_SOURCE"
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;;
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*netbsd*)
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HOST_OS=netbsd
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HOST_ABI=elf
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/param.h>
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#if __NetBSD_Version__ < 700000001
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undefined
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#endif
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]], [[]])],
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[ USE_BUILTIN_ARC4RANDOM=no ],
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[ USE_BUILTIN_ARC4RANDOM=yes ]
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)
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CPPFLAGS="$CPPFLAGS -D_OPENBSD_SOURCE"
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;;
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*openbsd* | *bitrig*)
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HOST_OS=openbsd
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HOST_ABI=elf
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AC_DEFINE([HAVE_ATTRIBUTE__BOUNDED__], [1], [OpenBSD gcc has bounded])
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;;
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*mingw*)
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HOST_OS=win
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BUILD_NC=no
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE -D_POSIX -D_POSIX_SOURCE -D__USE_MINGW_ANSI_STDIO"
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CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_POSIX_THREAD_SAFE_FUNCTIONS"
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CPPFLAGS="$CPPFLAGS -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0501"
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CPPFLAGS="$CPPFLAGS -DOPENSSL_NO_SPEED"
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AC_SUBST([PLATFORM_LDADD], ['-lws2_32'])
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;;
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*solaris*)
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HOST_OS=solaris
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HOST_ABI=elf
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CFLAGS="$CFLAGS -m64"
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CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 -DBSD_COMP"
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AC_SUBST([PLATFORM_LDADD], ['-lnsl -lsocket'])
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;;
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*) ;;
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esac
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AC_ARG_ENABLE([nc],
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AS_HELP_STRING([--enable-nc], [Enable installing TLS-enabled nc(1)]))
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AM_CONDITIONAL([ENABLE_NC], [test "x$enable_nc" = xyes])
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AM_CONDITIONAL([BUILD_NC], [test x$BUILD_NC = xyes -o "x$enable_nc" = xyes])
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AM_CONDITIONAL([HOST_AIX], [test x$HOST_OS = xaix])
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AM_CONDITIONAL([HOST_CYGWIN], [test x$HOST_OS = xcygwin])
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AM_CONDITIONAL([HOST_DARWIN], [test x$HOST_OS = xdarwin])
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AM_CONDITIONAL([HOST_FREEBSD], [test x$HOST_OS = xfreebsd])
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AM_CONDITIONAL([HOST_HPUX], [test x$HOST_OS = xhpux])
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AM_CONDITIONAL([HOST_LINUX], [test x$HOST_OS = xlinux])
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AM_CONDITIONAL([HOST_NETBSD], [test x$HOST_OS = xnetbsd])
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AM_CONDITIONAL([HOST_OPENBSD], [test x$HOST_OS = xopenbsd])
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AM_CONDITIONAL([HOST_SOLARIS], [test x$HOST_OS = xsolaris])
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AM_CONDITIONAL([HOST_WIN], [test x$HOST_OS = xwin])
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])
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