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build: avoid configure-time syntax error
authorJim Meyering <meyering@redhat.com>
Thu, 16 Jul 2009 14:21:29 +0000 (16:21 +0200)
committerJim Meyering <meyering@redhat.com>
Thu, 16 Jul 2009 14:21:29 +0000 (16:21 +0200)
commitaef3939a693b3ccc046324c3bf806cc64feda7c7
treebe8c552bb384dd90fe82da5db30b8c714a043036
parent1ae256940a86fa000cf768b5fd2dddd7cf6026b2
build: avoid configure-time syntax error

Running ./configure on a system without devmapper devel libraries
would provoke this:
./configure: line 264: return: but: numeric argument required
./configure: line 24783: --enable-device-mapper: command not found
* configure.ac: Add quotes to most AC_MSG_ERROR uses, both around
the argument, and (when needed) around the macro use itself.
configure.ac