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Fix C99 compatibility issues (implicit int, implicit function
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declarations) in the configure script. Upstream has removed
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autotools altogether, addressing this issue:
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commit 5ea5d5ec7c7f4e628db5f0b4c446dc510ff2777a
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Author: Brian Stafford <contact@brianstafford.info>
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Date: Tue Mar 3 18:40:30 2020 +0000
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Remove autotools
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* it has only been a 20 year wait for this :-)
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diff --git a/acinclude.m4 b/acinclude.m4
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index 912149736f74a70b..3632220c1a107dd1 100644
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--- a/acinclude.m4
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+++ b/acinclude.m4
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@@ -355,12 +355,12 @@ AC_DEFUN([ACX_SNPRINTF], [
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AC_TRY_RUN([
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#include <stdio.h>
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-main ()
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+int main (void)
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{
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char buf[16];
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snprintf (buf, 4, "abcd");
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- exit ((buf[3] == '\0') ? 0 : 1);
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+ return (buf[3] == '\0') ? 0 : 1;
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}
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], acx_cv_working_snprintf=yes, acx_cv_working_snprintf=no, acx_cv_working_snprintf=yes)
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diff --git a/configure b/configure
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index d586ca2df4fc0435..f5e13a62ef13a55d 100755
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--- a/configure
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+++ b/configure
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@@ -13211,13 +13211,14 @@ else
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/* end confdefs.h. */
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#include <stdio.h>
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+#include <string.h>
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main ()
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{
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char buf[16];
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snprintf (buf, 4, "abcd");
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- exit ((buf[3] == '\0') ? 0 : 1);
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+ return (buf[3] == '\0') ? 0 : 1;
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}
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