Seems there are still some old C compilers around

Enough is enough, C99 is not too much to ask in 2017

Seems there are still some old C compilers around
Enough is enough, C99 is not too much to ask in 2017
2332e4d6 · Lorenz Huedepohl · da90e4e5 · 2332e4d6
Commit 2332e4d6 authored Apr 21, 2017 by Lorenz Huedepohl
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configure.ac configure.ac +1 -0

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--- a/configure.ac
+++ b/configure.ac
@@ -94,6 +94,7 @@ fi
 AC_PROG_INSTALL
 AM_PROG_AR
 AM_PROG_AS
+AC_PROG_CC_C99
 AM_PROG_CC_C_O

 # Fortran