Commit 087de97b5646538cc477495cc285659cf0be1550
2020-12-22T17:00:00
acinclude/esd.m4: update from mainstream esound tree, - revise for better compatibility with new autoconf, - remove HP/UX 9 (%@#!) support from it, - replace system("touch conf.esdtest") with fopen/fclose in the test code (see, e.g. glib-2.0.m4 -- sdl.m4 does the same.)