[lxc-devel] [PATCH] don't build init.lxc.static if libcap.a isn't available
Dwight Engen
dwight.engen at oracle.com
Fri Jun 20 20:45:09 UTC 2014
Note that building init.lxc.static still requires a static libutil.a
and libpthread.a, but these are available on most distro's through
glibc-static.
Signed-off-by: Dwight Engen <dwight.engen at oracle.com>
---
configure.ac | 13 +++++++++++++
src/lxc/Makefile.am | 6 +++++-
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 37eb9d5..73deefa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -266,6 +266,19 @@ if test "x$have_abs_cgroups" = "xyes"; then
else
AC_MSG_RESULT([no])
fi
+
+# Check for static libcap, make sure the function checked for differs from the
+# the one checked below so the cache doesn't give a wrong answer
+OLD_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -static"
+AC_CHECK_LIB([cap],[cap_init],[have_static_libcap=yes],[have_static_libcap=no])
+AM_CONDITIONAL([HAVE_STATIC_LIBCAP], [test "x$have_static_libcap" = "xyes"])
+if test "x$have_static_libcap" = "xyes"; then
+ AC_DEFINE([HAVE_STATIC_LIBCAP], 1, [Have static libcap])
+fi
+CFLAGS="$OLD_CFLAGS"
+
+
# Linux capabilities
AC_ARG_ENABLE([capabilities],
[AC_HELP_STRING([--enable-capabilities], [enable kernel capabilities support [default=auto]])],
diff --git a/src/lxc/Makefile.am b/src/lxc/Makefile.am
index 009b446..310d3e8 100644
--- a/src/lxc/Makefile.am
+++ b/src/lxc/Makefile.am
@@ -199,7 +199,7 @@ bin_PROGRAMS = \
lxc-usernsexec \
lxc-wait
-sbin_PROGRAMS = init.lxc init.lxc.static
+sbin_PROGRAMS = init.lxc
pkglibexec_PROGRAMS = \
lxc-monitord \
lxc-user-nic
@@ -233,6 +233,9 @@ lxc_snapshot_SOURCES = lxc_snapshot.c
lxc_usernsexec_SOURCES = lxc_usernsexec.c
lxc_user_nic_SOURCES = lxc_user_nic.c network.c network.h
+if HAVE_STATIC_LIBCAP
+sbin_PROGRAMS += init.lxc.static
+
init_lxc_static_SOURCES = lxc_init.c error.c log.c utils.c caps.c
if !HAVE_GETLINE
@@ -243,6 +246,7 @@ endif
init_lxc_static_LDFLAGS = -static
init_lxc_static_LDADD = @CAP_LIBS@
+endif
install-exec-local: install-soPROGRAMS
mkdir -p $(DESTDIR)$(datadir)/lxc
--
1.9.3
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