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scanner: check for wayland-scanner.pc before using variables

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If wayland-scanner.pc can't be found the variables end up being set
irrespectively, leaving the user with odd compiler errors about missing
headers, etc.
This commit is contained in:
Peter Hutterer 2013-08-07 11:05:59 +10:00 • committed by Kristian Høgsberg
parent 2b26edb877
commit 6dd0ba0e32
1 changed files with 2 additions and 0 deletions
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2
wayland-scanner.m4
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@ -1,6 +1,8 @@
AC_DEFUN([WAYLAND_SCANNER_RULES], [
PKG_PROG_PKG_CONFIG
PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner])
wayland_scanner=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`
AC_SUBST([wayland_scanner])