Check for openssl >= 1.0.1. Conditionally compile spdyd based on having epoll
This commit is contained in:
Jim Morrison
parent
d7e58b5cab
commit
dd5c770f32
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@ -66,9 +66,11 @@ if test "x${have_cunit}" = "xno"; then
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fi
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fi
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AM_CONDITIONAL([HAVE_CUNIT], [ test "x${have_cunit}" = "xyes" ])
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AX_HAVE_EPOLL([have_epoll=yes], [have_epoll=no])
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AM_CONDITIONAL([HAVE_EPOLL], [ test "x${have_epoll}" = "xyes" ])
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# openssl (for examples)
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PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.0])
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PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.1])
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# Checks for header files.
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AC_CHECK_HEADERS([ \
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@ -27,8 +27,13 @@ AM_CPPFLAGS = -I$(srcdir)/../lib/includes -I$(builddir)/../lib/includes \
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AM_LDFLAGS = @OPENSSL_LIBS@
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LDADD = $(top_builddir)/lib/libspdylay.la
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bin_PROGRAMS = spdycat spdyd
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bin_PROGRAMS = spdycat
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spdycat_SOURCES = uri.cc spdylay_ssl.cc util.cc spdycat.cc
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if HAVE_EPOLL
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spdyd_SOURCES = uri.cc spdylay_ssl.cc util.cc spdyd.cc
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bin_PROGRAMS += spdyd
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endif # HAVE_EPOLL
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@ -0,0 +1,104 @@
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_have_epoll.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_HAVE_EPOLL([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# AX_HAVE_EPOLL_PWAIT([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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#
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# DESCRIPTION
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#
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# This macro determines whether the system supports the epoll I/O event
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# interface. A neat usage example would be:
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#
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# AX_HAVE_EPOLL(
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# [AX_CONFIG_FEATURE_ENABLE(epoll)],
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# [AX_CONFIG_FEATURE_DISABLE(epoll)])
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# AX_CONFIG_FEATURE(
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# [epoll], [This platform supports epoll(7)],
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# [HAVE_EPOLL], [This platform supports epoll(7).])
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#
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# The epoll interface was added to the Linux kernel in version 2.5.45, and
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# the macro verifies that a kernel newer than this is installed. This
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# check is somewhat unreliable if <linux/version.h> doesn't match the
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# running kernel, but it is necessary regardless, because glibc comes with
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# stubs for the epoll_create(), epoll_wait(), etc. that allow programs to
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# compile and link even if the kernel is too old; the problem would then
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# be detected only at runtime.
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#
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# Linux kernel version 2.6.19 adds the epoll_pwait() call in addition to
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# epoll_wait(). The availability of that function can be tested with the
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# second macro. Generally speaking, it is safe to assume that
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# AX_HAVE_EPOLL would succeed if AX_HAVE_EPOLL_PWAIT has, but not the
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# other way round.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Peter Simons <simons@cryp.to>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 10
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AC_DEFUN([AX_HAVE_EPOLL], [dnl
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ax_have_epoll_cppflags="${CPPFLAGS}"
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AC_CHECK_HEADER([linux/version.h], [CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"])
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AC_MSG_CHECKING([for Linux epoll(7) interface])
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AC_CACHE_VAL([ax_cv_have_epoll], [dnl
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AC_LINK_IFELSE([dnl
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AC_LANG_PROGRAM([dnl
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#include <sys/epoll.h>
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#ifdef HAVE_LINUX_VERSION_H
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# include <linux/version.h>
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# if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,45)
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# error linux kernel version is too old to have epoll
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# endif
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#endif
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], [dnl
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int fd, rc;
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struct epoll_event ev;
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fd = epoll_create(128);
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rc = epoll_wait(fd, &ev, 1, 0);])],
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[ax_cv_have_epoll=yes],
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[ax_cv_have_epoll=no])])
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CPPFLAGS="${ax_have_epoll_cppflags}"
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AS_IF([test "${ax_cv_have_epoll}" = "yes"],
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[AC_MSG_RESULT([yes])
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$1],[AC_MSG_RESULT([no])
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$2])
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])dnl
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AC_DEFUN([AX_HAVE_EPOLL_PWAIT], [dnl
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ax_have_epoll_cppflags="${CPPFLAGS}"
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AC_CHECK_HEADER([linux/version.h],
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[CPPFLAGS="${CPPFLAGS} -DHAVE_LINUX_VERSION_H"])
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AC_MSG_CHECKING([for Linux epoll(7) interface with signals extension])
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AC_CACHE_VAL([ax_cv_have_epoll_pwait], [dnl
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AC_LINK_IFELSE([dnl
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AC_LANG_PROGRAM([dnl
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#ifdef HAVE_LINUX_VERSION_H
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# include <linux/version.h>
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# if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
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# error linux kernel version is too old to have epoll_pwait
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# endif
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#endif
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#include <sys/epoll.h>
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#include <signal.h>
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], [dnl
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int fd, rc;
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struct epoll_event ev;
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fd = epoll_create(128);
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rc = epoll_wait(fd, &ev, 1, 0);
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rc = epoll_pwait(fd, &ev, 1, 0, (sigset_t const *)(0));])],
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[ax_cv_have_epoll_pwait=yes],
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[ax_cv_have_epoll_pwait=no])])
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CPPFLAGS="${ax_have_epoll_cppflags}"
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AS_IF([test "${ax_cv_have_epoll_pwait}" = "yes"],
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[AC_MSG_RESULT([yes])
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$1],[AC_MSG_RESULT([no])
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$2])
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])dnl
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