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-rw-r--r--conf/m4/plptools/PLP_FIND_FILE.m417
1 files changed, 17 insertions, 0 deletions
diff --git a/conf/m4/plptools/PLP_FIND_FILE.m4 b/conf/m4/plptools/PLP_FIND_FILE.m4
new file mode 100644
index 0000000..868b2d5
--- /dev/null
+++ b/conf/m4/plptools/PLP_FIND_FILE.m4
@@ -0,0 +1,17 @@
+dnl
+dnl Select first existing file from a list of given files
+dnl Usage:
+dnl PLP_FIND_FILE(filea fileb filec, FOUND)
+dnl
+dnl On return, variable FOUND is set to one of fileX or to NO, if none
+dnl was found.
+dnl
+AC_DEFUN(PLP_FIND_FILE,[
+ $2=NO
+ for i in $1; do
+ if test -r "$i" ; then
+ $2=$i
+ break 2
+ fi
+ done
+])