From: Karel Zak <kzak@redhat.com>
Date: Fri, 11 Feb 2011 08:42:49 +0000 (+0100)
Subject: build-sys: don't build lsblk on Linux without openat()
X-Git-Tag: v2.20-rc1~580
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7f7126d749cb538547dd7bf85dc358f025ce6ea9;p=thirdparty%2Futil-linux.git

build-sys: don't build lsblk on Linux without openat()

Reported-by: Peter Breitenlohner <peb@mppmu.mpg.de>
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/configure.ac b/configure.ac
index f0e244b1af..ee3e71e909 100644
--- a/configure.ac
+++ b/configure.ac
@@ -871,6 +871,15 @@ else
 fi
 AM_CONDITIONAL(BUILD_CRAMFS, test "x$build_cramfs" = xyes)
 
+build_lsblk=yes
+if test "x$have_openat" = xno; then
+  AC_MSG_WARN([openat() function not found; do not build lsblk])
+  build_lsblk=no
+elif test "x$have_linux" = xno; then
+  AC_MSG_WARN([non-linux system; do not build lsblk])
+  build_lsblk=no
+fi
+AM_CONDITIONAL(BUILD_LSBLK, test "x$build_lsblk" = xyes)
 
 AC_ARG_ENABLE([switch_root],
   AS_HELP_STRING([--disable-switch_root], [do not build switch_root]),
diff --git a/misc-utils/Makefile.am b/misc-utils/Makefile.am
index 3f0843b2c2..3bae648602 100644
--- a/misc-utils/Makefile.am
+++ b/misc-utils/Makefile.am
@@ -50,7 +50,7 @@ wipefs_SOURCES = wipefs.c $(top_srcdir)/lib/strutils.c
 wipefs_LDADD = $(ul_libblkid_la)
 wipefs_CFLAGS = $(AM_CFLAGS) -I$(ul_libblkid_incdir)
 
-if LINUX
+if BUILD_LSBLK
 bin_PROGRAMS += lsblk
 dist_man_MANS += lsblk.8
 lsblk_SOURCES = lsblk.c \