🚀 go-pugleaf

On 29 Dec 1999 13:36:56 GMT, Ian Macdonald <ian@caliban.org> wrote:
>The problem is with a couple of source files that need to be compiled
>only under certain circumstances.
>
>I currently have a Makefile.am consisting of the following:
>
>bin_PROGRAMS = qrcs
>qrcs_SOURCES = qrcs.c qrcs.h
>EXTRA_qrcs_SOURCES = ext2fs.c ext2fs.h
>man_MANS = qrcs.1
>EXTRA_DIST = $(man_MANS) qrcs.spec qrcs.lsm
>
>The automake manual recommends assigning source files that are only
>conditionally part of the build process to EXTRA_qrcs_SOURCES instead
>of qrcs_SOURCES, so that is what I have done.
>
>The problem comes in not knowing how to inform the build process when
>it should build the EXTRA_qrcs_SOURCES files.
>
>My configure.in checks for the existence of linux/ext2_fs.h and, if it
>is found, defines HAVE_LINUX_EXT2_FS_H. That's the easy part.

The configure.in should also conditionally set a configuration
variable, say EXT2_FS, to ext2fs.o and have your Makefile.am say:
  qrcs_SOURCES = qrcs.c qrcs.h @EXT2_FS@

		--Ken Pizzini