Add --disable-runtime-dependencies to turn off enforcement in

build-time checks of runtime dependencies (ie, we still whine, but
./configure keeps going rather than exiting with an error).

svn path=/trunk/; revision=5704

4 files changed, 56 insertions, 14 deletions

diff --git a/buildtools/freebsd-skeleton/rpki-ca/Makefile b/buildtools/freebsd-skeleton/rpki-ca/Makefile
index 8e723d34..71f38436 100644
--- a/buildtools/freebsd-skeleton/rpki-ca/Makefile
+++ b/buildtools/freebsd-skeleton/rpki-ca/Makefile
@@ -46,7 +46,7 @@ RUN_DEPENDS+=	${APACHE_PKGNAMEPREFIX}mod_wsgi3>0:${PORTSDIR}/www/mod_wsgi3
 # Try to use system OpenSSL if we can.
 CONFIGURE_ENV=  CFLAGS="-I${LOCALBASE}/include" LDFLAGS="-L${LOCALBASE}/lib"
 
-CONFIGURE_ARGS= --disable-target-installation --disable-rp-tools APACHE_VERSION=${APACHE_VERSION}
+CONFIGURE_ARGS= --disable-target-installation --disable-runtime-dependencies --disable-rp-tools APACHE_VERSION=${APACHE_VERSION}
 
 pre-install:
 	@test -d ${STAGEDIR}${PREFIX}/etc/rc.d || mkdir -p ${STAGEDIR}${PREFIX}/etc/rc.d
diff --git a/buildtools/freebsd-skeleton/rpki-rp/Makefile b/buildtools/freebsd-skeleton/rpki-rp/Makefile
index f0fe61aa..adae6ef0 100644
--- a/buildtools/freebsd-skeleton/rpki-rp/Makefile
+++ b/buildtools/freebsd-skeleton/rpki-rp/Makefile
@@ -36,7 +36,7 @@ RUN_DEPENDS+=   rrdtool>0:${PORTSDIR}/databases/rrdtool
 
 # Just want relying party tools, try to use system OpenSSL if we can.
 
-CONFIGURE_ARGS= --disable-target-installation --disable-ca-tools APACHE_VERSION=${APACHE_VERSION}
+CONFIGURE_ARGS= --disable-target-installation --disable-runtime-dependencies --disable-ca-tools APACHE_VERSION=${APACHE_VERSION}
 CONFIGURE_ENV=  CFLAGS="-I${LOCALBASE}/include" LDFLAGS="-L${LOCALBASE}/lib"
 
 # Disable parallel builds, they failed the last time I tried and we don't really need them
diff --git a/configure b/configure
index 56198a2a..c0d6ffcc 100755
--- a/configure
+++ b/configure
@@ -726,6 +726,7 @@ enable_target_installation
 enable_wsgi_daemon_mode
 enable_python_install_layout
 enable_wsgi_python_egg_cache
+enable_runtime_dependencies
 enable_python
 enable_django
 enable_rpki_rtr
@@ -1366,6 +1367,8 @@ Optional Features:
                           Specify Python --install-layout
   --enable-wsgi-python-egg-cache=dir[:user]
                           Set up PYTHON_EGG_CACHE in wsgi wrapper
+  --disable-runtime-dependencies
+                          Don't enforce runtime dependencies
   --disable-python        (Obsolete, do not use)
   --disable-django        (Obsolete, do not use)
   --disable-rpki-rtr      (Obsolete, do not use)
@@ -2474,6 +2477,13 @@ else
   enable_wsgi_python_egg_cache=auto
 fi
 
+# Check whether --enable-runtime_dependencies was given.
+if test "${enable_runtime_dependencies+set}" = set; then :
+  enableval=$enable_runtime_dependencies;
+else
+  enable_runtime_dependencies=yes
+fi
+
 
 
 
@@ -4233,6 +4243,20 @@ fi
 
 
 
+# See whether we need to check for dependencies that we only need at
+# runtime.  We do this by default when compiling from source to avoid
+# surprises after installation, but this just adds pain when building
+# binary packages within a platform framework which already handles
+# all the dependencies for us, so we need a way to turn it off.
+
+case $enable_runtime_dependencies in
+	yes|no)
+		;;
+	*)
+		as_fn_error $? "Unrecognized value for --enable-runtime-dependencies: $enable_runtime_dependencies" "$LINENO" 5
+		;;
+esac
+
 # Figure out whether we need to build our own OpenSSL library or can
 # use the system libraries.  We're looking for two recent features:
 # CMS and RFC 3779 support.  We also have to check whether the user
@@ -4528,11 +4552,7 @@ fi
 
 # Check whether to do "final target installation".  This means actions
 # that can only be done when installing a package, as opposed to when
-# building a package.  On FreeBSD this is sort of irrelevant, because
-# of the way package installs work when building from source, but on
-# Debian and Ubuntu, for example, there's a strict separation between
-# things that are done during package build and things that are done
-# by the binary package's {pre,post}inst scripts.
+# building a package.
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to do final target installation on \"make install\"" >&5
 $as_echo_n "checking whether to do final target installation on \"make install\"... " >&6; }
@@ -4858,7 +4878,13 @@ fi
 
 if test $ok = no
 then
-	as_fn_error $? "Please correct the problems above then re-run this configuration script." "$LINENO" 5
+	if test $enable_runtime_dependencies = yes
+	then
+		as_fn_error $? "Please correct the problems above then re-run this configuration script." "$LINENO" 5
+	else
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Runtime dependency enforcement disabled, proceeding (at your own risk)" >&5
+$as_echo "$as_me: WARNING: Runtime dependency enforcement disabled, proceeding (at your own risk)" >&2;}
+	fi
 fi
 
 # Figure out whether we are on a Debian-derived system where we need
diff --git a/configure.ac b/configure.ac
index 0d8f15c5..adeb2fa1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -41,6 +41,7 @@ AC_ARG_ENABLE([target_installation],	[AS_HELP_STRING([--disable-target-installat
 AC_ARG_ENABLE([wsgi_daemon_mode],	[AS_HELP_STRING([--enable-wsgi-daemon-mode=user[[:group]]],	[Run the web portal as a separate process])],   [], [enable_wsgi_daemon_mode=no])
 AC_ARG_ENABLE([python_install_layout],	[AS_HELP_STRING([--enable-python-install-layout=layout],	[Specify Python --install-layout])],		[], [enable_python_install_layout=auto])
 AC_ARG_ENABLE([wsgi_python_egg_cache],  [AS_HELP_STRING([--enable-wsgi-python-egg-cache=dir[[:user]]],	[Set up PYTHON_EGG_CACHE in wsgi wrapper])],	[], [enable_wsgi_python_egg_cache=auto])
+AC_ARG_ENABLE([runtime_dependencies],	[AS_HELP_STRING([--disable-runtime-dependencies],		[Don't enforce runtime dependencies])],         [], [enable_runtime_dependencies=yes])
 
 AC_ARG_VAR([RCYNIC_DIR],		[Where to put output files from rcynic and rtr-origin; also controls jail location for --enable-rcynic-jail])
 AC_ARG_VAR([APACHE_VERSION],		[Version of Apache httpd, mostly used on FreeBSD where it determines some of the directory names])
@@ -138,6 +139,20 @@ AC_PATH_PROG([RRDTOOL], [rrdtool])
 AC_PATH_PROG([TRANG], [trang], [\${abs_top_srcdir}/buildtools/trang-not-found])
 AC_PATH_PROG([RSYNC], [rsync])
 
+# See whether we need to check for dependencies that we only need at
+# runtime.  We do this by default when compiling from source to avoid
+# surprises after installation, but this just adds pain when building
+# binary packages within a platform framework which already handles
+# all the dependencies for us, so we need a way to turn it off.
+
+case $enable_runtime_dependencies in
+	yes|no)
+		;;
+	*)
+		AC_MSG_ERROR([Unrecognized value for --enable-runtime-dependencies: $enable_runtime_dependencies])
+		;;
+esac
+
 # Figure out whether we need to build our own OpenSSL library or can
 # use the system libraries.  We're looking for two recent features:
 # CMS and RFC 3779 support.  We also have to check whether the user
@@ -351,11 +366,7 @@ AC_SUBST(RCYNIC_STATIC_RSYNC)
 
 # Check whether to do "final target installation".  This means actions
 # that can only be done when installing a package, as opposed to when
-# building a package.  On FreeBSD this is sort of irrelevant, because
-# of the way package installs work when building from source, but on
-# Debian and Ubuntu, for example, there's a strict separation between
-# things that are done during package build and things that are done
-# by the binary package's {pre,post}inst scripts.
+# building a package.
 
 AC_MSG_CHECKING([whether to do final target installation on "make install"])
 
@@ -636,7 +647,12 @@ fi
 
 if test $ok = no
 then
-	AC_MSG_ERROR([Please correct the problems above then re-run this configuration script.])
+	if test $enable_runtime_dependencies = yes
+	then
+		AC_MSG_ERROR([Please correct the problems above then re-run this configuration script.])
+	else
+		AC_MSG_WARN([Runtime dependency enforcement disabled, proceeding (at your own risk)])
+	fi
 fi
 
 # Figure out whether we are on a Debian-derived system where we need