branch m4


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@10481 67ed7778-7388-44ab-90cf-0a291f65f57c
LDFLAGS vs LIBS fix by Dan Nicholson

git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@10647 67ed7778-7388-44ab-90cf-0a291f65f57c
add HAVE_UDEV conditional, triggering on host linux


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@11188 67ed7778-7388-44ab-90cf-0a291f65f57c
removed a stray }


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@11195 67ed7778-7388-44ab-90cf-0a291f65f57c
merged from TRUNK


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@11273 67ed7778-7388-44ab-90cf-0a291f65f57c
name the function lt_dlinit


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@11303 67ed7778-7388-44ab-90cf-0a291f65f57c
check for <endian.h> on newer glibc.
check for existance of macros before defining them (also for newer
glibc)


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@11315 67ed7778-7388-44ab-90cf-0a291f65f57c
updated to not emit libexif dependecny into .pc file
if not used


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@11732 67ed7778-7388-44ab-90cf-0a291f65f57c
ported hack from TRUNK to enable ptp2 when only canon is enabled.
(gentoo mode)


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@11864 67ed7778-7388-44ab-90cf-0a291f65f57c
removed rpm -q libusb-devel... the rpm packager know about it anyway.


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@12089 67ed7778-7388-44ab-90cf-0a291f65f57c
backport from trunk


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@12350 67ed7778-7388-44ab-90cf-0a291f65f57c
added a missing quoting []


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@13298 67ed7778-7388-44ab-90cf-0a291f65f57c
added hurd soname patch


git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_4/m4@14010 67ed7778-7388-44ab-90cf-0a291f65f57c