Commit 0b0d0514aadfe18b136b0836aed361af7c486ac1
2011-09-30T11:54:58
Centralize C99 requirement. * m4/gnulib-common.m4 (gl_PROG_CC_C99): New macro. * modules/stdarg (configure.ac-early): Invoke it instead of AC_PROG_CC_STDC. Reported by Gary V. Vaughan and Paul Eggert.