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configure.ac
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
AC_PREREQ([2.69])
AC_INIT([mod_http2], [2.0.29], [[email protected]])
LT_PREREQ([2.2.6])
LT_INIT()
dnl See versioning rule:
dnl http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
AC_SUBST(LT_CURRENT, 11)
AC_SUBST(LT_REVISION, 0)
AC_SUBST(LT_AGE, 6)
major=`echo $PACKAGE_VERSION |cut -d. -f1 | sed -e "s/[^0-9]//g"`
minor=`echo $PACKAGE_VERSION |cut -d. -f2 | sed -e "s/[^0-9]//g"`
patch=`echo $PACKAGE_VERSION |cut -d. -f3 | cut -d- -f1 | sed -e "s/[^0-9]//g"`
PACKAGE_VERSION_NUM=`printf "0x%02x%02x%02x" "$major" "$minor" "$patch"`
AC_SUBST(PACKAGE_VERSION_NUM)
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([subdir-objects no-define])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_SRCDIR([mod_http2/h2_config.c])
AC_CONFIG_HEADERS([mod_http2/config.h])
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror],
[Turn on compile time warnings])],
[werror=$enableval], [werror=no])
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[Turn on debug checks])],
[debug=$enableval], [debug=no])
AC_ARG_WITH([apxs], [AS_HELP_STRING([--with-apxs],
[Use APXS executable [default=check]])],
[request_apxs=$withval], [request_apxs=check])
AC_ARG_ENABLE([poll-streams],
[AS_HELP_STRING([--disable-poll-streams],
[Disable polling of h2 streams, even if available.])],
[poll_streams=$enableval], [poll_streams=yes])
AC_ARG_WITH([openssl], [AS_HELP_STRING([--with-openssl], [Use openssl from this prefix])],
[request_openssl=$withval], [request_openssl=check])
# Checks for programs.
AC_PROG_CC
# extern, we need to find where the apxs is. which then
# can tell us the various directories we need.
#
if test x"$request_apxs" = "xcheck"; then
AC_PATH_PROG([APXS], [apxs])
if test "x${APXS}" = "x"; then
AC_MSG_ERROR("no APXS installation found")
fi
else
APXS="$request_apxs"
AC_MSG_NOTICE("using APXS=$APXS as configured")
fi
AC_SUBST(APR)
prefix="$($APXS -q prefix)"
prefix="${prefix:-/usr}"
AC_SUBST(prefix)
if test x"$request_openssl" != "xcheck"; then
LDFLAGS="$LDFLAGS -L$request_openssl/lib";
CFLAGS="$CFLAGS -I$request_openssl/include";
CPPFLAGS="$CPPFLAGS -I$request_openssl/include";
fi
exec_prefix="$($APXS -q exec_prefix)"
AC_SUBST(exec_prefix)
APR_BINDIR="$($APXS -q APR_BINDIR)"
AC_SUBST(APR_BINDIR)
sbindir="$($APXS -q sbindir)"
AC_SUBST(sbindir)
progname="$($APXS -q progname)"
AC_SUBST(progname)
libdir="$($APXS -q libdir)"
AC_SUBST(libdir)
SYSCONF_DIR="$($APXS -q sysconfdir)"
AC_SUBST(SYSCONF_DIR)
LIBEXEC_DIR="$($APXS -q LIBEXECDIR)"
AC_SUBST(LIBEXEC_DIR)
LDFLAGS="-L$libdir $LDFLAGS"
CPPFLAGS="-I$($APXS -q includedir) -I$($APXS -q APR_INCLUDEDIR) $($APXS -q EXTRA_CPPFLAGS) $CPPFLAGS"
HTTPD_VERSION="$($APXS -q HTTPD_VERSION)"
AC_SUBST(HTTPD_VERSION)
HTTPD="$sbindir/httpd"
if test -x "$HTTPD"; then
: # all fine
else
HTTPD="$sbindir/apache2"
if test -x "$HTTPD"; then
: # all fine
else
HTTPD=""
AC_PATH_PROG([HTTPD], [httpd])
if test -x "$HTTPD"; then
: # ok
else
HTTPD=""
AC_PATH_PROG([HTTPD], [apache2])
if test -x "$HTTPD"; then
: # ok
else
AC_MSG_ERROR([httpd/apache2 not in PATH])
fi
fi
fi
fi
AC_SUBST(HTTPD)
if test -x "$HTTPD"; then
DSO_MODULES="$($HTTPD -t -D DUMP_MODULES | fgrep '(shared)'| sed 's/_module.*//g'|tr -d \\n)"
AC_SUBST(DSO_MODULES)
STATIC_MODULES="$($HTTPD -t -D DUMP_MODULES | fgrep '(static)'| sed 's/_module.*//g'|tr -d \\n)"
AC_SUBST(STATIC_MODULES)
else
AC_MSG_WARN("httpd/apache2 not found in '$BINDIR', test suite will not work!")
HTTPD=""
fi
AC_SUBST(LOAD_LOG_CONFIG)
AC_SUBST(LOAD_LOGIO)
AC_SUBST(LOAD_UNIXD)
AC_SUBST(LOAD_VERSION)
AC_SUBST(LOAD_WATCHDOG)
export BUILD_SUBDIRS="mod_http2"
AC_SUBST(BUILD_SUBDIRS)
AC_CHECK_HEADERS([ \
arpa/inet.h \
fcntl.h \
inttypes.h \
limits.h \
netdb.h \
netinet/in.h \
pwd.h \
stddef.h \
stdint.h \
stdlib.h \
string.h \
sys/socket.h \
sys/time.h \
syslog.h \
time.h \
unistd.h \
])
# We need nghttp2
PKG_CHECK_MODULES([LIBNGHTTP2], [libnghttp2 >= 1.2.0],
[have_nghttp2=yes], [have_nghttp2=no])
if test "x${have_nghttp2}" = "xno"; then
AC_MSG_ERROR($LIBNGHTTP2_PKG_ERRORS)
fi
CFLAGS="$LIBNGHTTP2_CFLAGS $CFLAGS"
LIBS="$LIBNGHTTP2_LIBS $LIBS"
AC_CHECK_HEADERS([nghttp2/nghttp2.h])
# nghttp2 >= 1.3.0: access to stream weights
AC_CHECK_FUNCS([nghttp2_stream_get_weight],
[CPPFLAGS="$CPPFLAGS -DH2_NG2_STREAM_API"], [])
# nghttp2 >= 1.5.0: changing stream priorities
AC_CHECK_FUNCS([nghttp2_session_change_stream_priority],
[CPPFLAGS="$CPPFLAGS -DH2_NG2_CHANGE_PRIO"], [])
# nghttp2 >= 1.14.0: invalid header callback
AC_CHECK_FUNCS([nghttp2_session_callbacks_set_on_invalid_header_callback],
[CPPFLAGS="$CPPFLAGS -DH2_NG2_INVALID_HEADER_CB"], [])
dnl # nghttp2 >= 1.15.0: get/set stream window sizes
AC_CHECK_FUNCS([nghttp2_session_get_stream_local_window_size],
[CPPFLAGS="$CPPFLAGS -DH2_NG2_LOCAL_WIN_SIZE"], [])
AC_CHECK_FUNCS([nghttp2_option_set_no_closed_streams],
[CPPFLAGS="$CPPFLAGS -DH2_NG2_NO_CLOSED_STREAMS"], [])
dnl # nghttp2 >= 1.50.0: rfc9113 leading/trailing whitespec strictness
AC_CHECK_FUNCS([nghttp2_option_set_no_rfc9113_leading_and_trailing_ws_validation],
[CPPFLAGS="$CPPFLAGS -DH2_NG2_RFC9113_STRICTNESS"], [])
AC_PATH_PROG([NGHTTP], [nghttp], [], [$APR_BINDIR$PATH_SEPARATOR$PATH])
if test "x${NGHTTP}" = "x"; then
if test -x "${prefix}/bin/nghttp"; then
NGHTTP="${prefix}/bin/nghttp"
else
AC_MSG_WARN("no nghttp found, test coverage will be incomplete")
fi
fi
AC_SUBST(NGHTTP)
AC_PATH_PROG([H2LOAD], [h2load], [], [$APR_BINDIR$PATH_SEPARATOR$PATH])
if test "x${H2LOAD}" = "x"; then
if test -x "${prefix}/bin/h2load"; then
H2LOAD="${prefix}/bin/h2load"
else
AC_MSG_WARN("no h2load found, test coverage will be incomplete")
fi
fi
AC_SUBST(H2LOAD)
AC_CHECK_LIB([crypto], [SHA256_Init], [
CPPFLAGS="$CPPFLAGS -DH2_OPENSSL"
LIBS="$LIBS -lcrypto"],
[AC_MSG_ERROR("libcrypto not found")])
# Checks for header files.
AC_CHECK_HEADERS([ \
assert.h \
stddef.h \
])
DEBUG_CFLAGS=""
if test "x$debug" != "xno"; then
DEBUG_CFLAGS="-DAP_DEBUG"
fi
AC_SUBST(DEBUG_CFLAGS)
WERROR_CFLAGS=""
if test "x$werror" != "xno"; then
AX_CHECK_COMPILE_FLAG([-Wall], [WERROR_CFLAGS="$WERROR_CFLAGS -Wall"])
#AX_CHECK_COMPILE_FLAG([-Wconversion], [WERROR_CFLAGS="$WERROR_CFLAGS -Wconversion"])
AX_CHECK_COMPILE_FLAG([-Wextra], [WERROR_CFLAGS="$WERROR_CFLAGS -Wextra"])
AX_CHECK_COMPILE_FLAG([-Werror], [WERROR_CFLAGS="$WERROR_CFLAGS -Werror"])
AX_CHECK_COMPILE_FLAG([-Wmissing-prototypes], [WERROR_CFLAGS="$WERROR_CFLAGS -Wmissing-prototypes"])
AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes], [WERROR_CFLAGS="$WERROR_CFLAGS -Wstrict-prototypes"])
AX_CHECK_COMPILE_FLAG([-Wmissing-declarations], [WERROR_CFLAGS="$WERROR_CFLAGS -Wmissing-declarations"])
AX_CHECK_COMPILE_FLAG([-Wpointer-arith], [WERROR_CFLAGS="$WERROR_CFLAGS -Wpointer-arith"])
# we like to use such things...
#AX_CHECK_COMPILE_FLAG([-Wdeclaration-after-statement], [WERROR_CFLAGS="$WERROR_CFLAGS -Wdeclaration-after-statement"])
AX_CHECK_COMPILE_FLAG([-Wformat-security], [WERROR_CFLAGS="$WERROR_CFLAGS -Wformat-security"])
AX_CHECK_COMPILE_FLAG([-Wwrite-strings], [WERROR_CFLAGS="$WERROR_CFLAGS -Wwrite-strings"])
AX_CHECK_COMPILE_FLAG([-Wshadow], [WERROR_CFLAGS="$WERROR_CFLAGS -Wshadow"])
AX_CHECK_COMPILE_FLAG([-Winline], [WERROR_CFLAGS="$WERROR_CFLAGS -Winline"])
AX_CHECK_COMPILE_FLAG([-Wnested-externs], [WERROR_CFLAGS="$WERROR_CFLAGS -Wnested-externs"])
AX_CHECK_COMPILE_FLAG([-Wfloat-equal], [WERROR_CFLAGS="$WERROR_CFLAGS -Wfloat-equal"])
AX_CHECK_COMPILE_FLAG([-Wundef], [WERROR_CFLAGS="$WERROR_CFLAGS -Wundef"])
AX_CHECK_COMPILE_FLAG([-Wendif-labels], [WERROR_CFLAGS="$WERROR_CFLAGS -Wendif-labels"])
AX_CHECK_COMPILE_FLAG([-Wempty-body], [WERROR_CFLAGS="$WERROR_CFLAGS -Wempty-body"])
# does not make sense with APR as it prefers char* to void*
# AX_CHECK_COMPILE_FLAG([-Wcast-align], [WERROR_CFLAGS="$WERROR_CFLAGS -Wcast-align"])
AX_CHECK_COMPILE_FLAG([-Wvla], [WERROR_CFLAGS="$WERROR_CFLAGS -Wvla"])
AX_CHECK_COMPILE_FLAG([-Wunreachable-code], [WERROR_CFLAGS="$WERROR_CFLAGS -Wunreachable-code"])
AX_CHECK_COMPILE_FLAG([-Waddress], [WERROR_CFLAGS="$WERROR_CFLAGS -Waddress"])
AX_CHECK_COMPILE_FLAG([-Wattributes], [WERROR_CFLAGS="$WERROR_CFLAGS -Wattributes"])
AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [WERROR_CFLAGS="$WERROR_CFLAGS -Wdiv-by-zero"])
AX_CHECK_COMPILE_FLAG([-Wshorten-64-to-32], [WERROR_CFLAGS="$WERROR_CFLAGS -Wshorten-64-to-32"])
AX_CHECK_COMPILE_FLAG([-Wsign-compare], [WERROR_CFLAGS="$WERROR_CFLAGS -Wsign-compare"])
AX_CHECK_COMPILE_FLAG([-Wno-unused-parameter], [WERROR_CFLAGS="$WERROR_CFLAGS -Wno-unused-parameter"])
#AX_CHECK_COMPILE_FLAG([-Wno-shadow], [WERROR_CFLAGS="$WERROR_CFLAGS -Wno-shadow"])
#AX_CHECK_COMPILE_FLAG([-Wno-undef], [WERROR_CFLAGS="$WERROR_CFLAGS -Wno-undef"])
AX_CHECK_COMPILE_FLAG(["-std=c89"], [WERROR_CFLAGS="$WERROR_CFLAGS -std=c89"])
AX_CHECK_COMPILE_FLAG([-Wdeclaration-after-statement], [WERROR_CFLAGS="$WERROR_CFLAGS -Wdeclaration-after-statement"])
# gcc warnings, considered useful as in https://kristerw.blogspot.de/2017/09/useful-gcc-warning-options-not-enabled.html
#
#AX_CHECK_COMPILE_FLAG(["-Wduplicated-cond"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wduplicated-cond"])
#AX_CHECK_COMPILE_FLAG(["-Wduplicated-branches"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wduplicated-branches"])
#AX_CHECK_COMPILE_FLAG(["-Wlogical-op"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wlogical-op"])
#AX_CHECK_COMPILE_FLAG(["-Wrestrict"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wrestrict"])
AX_CHECK_COMPILE_FLAG(["-Wnull-dereference"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wnull-dereference"])
#AX_CHECK_COMPILE_FLAG(["-Wuseless-cast"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wuseless-cast"])
#AX_CHECK_COMPILE_FLAG(["-Wjump-misses-init"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wjump-misses-init"])
AX_CHECK_COMPILE_FLAG(["-Wdouble-promotion"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wdouble-promotion"])
AX_CHECK_COMPILE_FLAG(["-Wshadow"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wshadow"])
AX_CHECK_COMPILE_FLAG(["-Wformat=2"], [WERROR_CFLAGS="$WERROR_CFLAGS -Wformat=2"])
# This is used by the APR_OFFSET macro
AX_CHECK_COMPILE_FLAG([-Wno-null-pointer-subtraction], [WERROR_CFLAGS="$WERROR_CFLAGS -Wno-null-pointer-subtraction"])
AX_CHECK_COMPILE_FLAG([-Wno-null-dereference], [WERROR_CFLAGS="$WERROR_CFLAGS -Wno-null-dereference"])
fi
AC_SUBST(WERROR_CFLAGS)
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_INT32_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T
# Checks for library functions.
AC_CHECK_FUNCS([memmove memset strcasecmp strchr])
AC_ARG_WITH([serverdir], [AS_HELP_STRING([--with-serverdir],
[Use serverdir directory for setup [default=gen/apache]])],
[request_serverdir=$withval], [request_serverdir=$PWD/test/gen/apache])
AC_ARG_WITH([curl], [AS_HELP_STRING([--with-curl], [Use curl from this prefix])],
[request_curl=$withval], [request_curl=check])
TEST_DIR="$PWD/test"
AC_SUBST(TEST_DIR)
GEN_DIR="$PWD/test/gen"
AC_SUBST(GEN_DIR)
SERVER_DIR="$request_serverdir"
AC_SUBST(SERVER_DIR)
HTTP_PORT=42001
AC_SUBST(HTTP_PORT)
HTTPS_PORT=42002
AC_SUBST(HTTPS_PORT)
HTTPD_USER="${USER:-www-data}"
AC_SUBST(HTTPD_USER)
MODULE_SRC="$PWD/mod_http2"
AC_SUBST(MODULE_SRC)
# we need curl for testing
#
curl_check="curl"
CURL_BIN="-"
if test "x$request_curl" != "xcheck"; then
curl_check="$request_curl/bin/curl"
test -x $curl_check && CURL_BIN=$curl_check
else
AC_PATH_PROG([CURL_BIN],["$curl_check"], "-")
if test "x$CURL_BIN" = "x-"; then
curl_check="${prefix}/bin/curl"
test -x $curl_check && CURL_BIN=$curl_check
fi
fi
if test "x$CURL_BIN" = "x-"; then
CURL_MSG="$curl_check was not found. Tests will not work."
AC_MSG_WARN([$CURL_MSG])
else
CURL_MSG="$CURL_BIN"
AC_SUBST(CURL_BIN)
curl_h2=$( $CURL_BIN -V | fgrep 'HTTP2' )
if test "x$curl_h2" = "x"; then
CURL_MSG="$CURL_BIN does not support HTTP/2. Tests will not work."
AC_MSG_WARN([$CURL_MSG])
fi
fi
# Do we have a pkg-config?
AC_ARG_VAR([PKGCONFIG], [pkg-config executable])
AC_PATH_PROG([PKGCONFIG], [pkg-config])
# do we poll streams, when available, or disable this (e.g. for test runs)
if test "$poll_streams" = "no"; then
CPPFLAGS="$CPPFLAGS -DH2_NO_PIPES"
fi
AC_CONFIG_FILES([
Makefile
mod_http2/Makefile
mod_http2/h2_version.h
test/Makefile
test/pyhttpd/config.ini
test/clients/Makefile
])
AC_OUTPUT
AC_MSG_NOTICE([summary of build options:
Version: ${VERSION} shared $LT_CURRENT:$LT_REVISION:$LT_AGE
Host type: ${host}
Install prefix: ${prefix}
APXS: ${APXS}
HTTPD-VERSION: ${HTTPD_VERSION}
C compiler: ${CC}
CFLAGS: ${CFLAGS}
WARNCFLAGS: ${WARNCFLAGS}
LDFLAGS: ${LDFLAGS}
LIBS: ${LIBS}
CPPFLAGS: ${CPPFLAGS}
curl ${CURL_MSG}
Libnghttp2: ${LIBNGHTTP2_VERSION} (CFLAGS='${LIBNGHTTP2_CFLAGS}' LIBS='${LIBNGHTTP2_LIBS}')
nghttp ${NGHTTP:--}
h2load ${H2LOAD:--}
httpd ${HTTPD:--}
])