From: Maarten ter Huurne <maarten@treewalker.org>
Date: Sat, 13 Sep 2014 10:27:27 +0200
Subject: Removed redundant compiler sanity checks

AC_PROG_CC already performs sanity checks. And unlike the removed
checks, it does so in a way that supports cross compilation.

Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
---
 configure.in | 27 ---------------------------
 1 file changed, 27 deletions(-)

diff --git a/configure.in b/configure.in
index 87fd43b..572c2a3 100644
--- a/configure.in
+++ b/configure.in
@@ -47,31 +47,6 @@ AC_PROG_GCC_TRADITIONAL
 AC_ISC_POSIX
 AC_USE_SYSTEM_EXTENSIONS
 
-AC_TRY_RUN(main(){exit(0);},,[
-if test $CC != cc ; then
-AC_NOTE(Your $CC failed - restarting with CC=cc)
-AC_NOTE()
-CC=cc
-export CC
-exec $0 $configure_args
-fi
-])
-
-AC_TRY_RUN(main(){exit(0);},,
-exec 5>&2
-eval $ac_link
-AC_NOTE(CC=$CC; CFLAGS=$CFLAGS; LIBS=$LIBS;)
-AC_NOTE($ac_compile)
-AC_MSG_ERROR(Can't run the compiler - sorry))
-
-AC_TRY_RUN([
-main()
-{
-  int __something_strange_();
-  __something_strange_(0);
-}
-],AC_MSG_ERROR(Your compiler does not set the exit status - sorry))
-
 AC_PROG_AWK
 
 AC_PROG_INSTALL
@@ -1299,8 +1274,6 @@ fi
 dnl Ptx bug workaround -- insert -lc after -ltermcap
 test -n "$seqptx" && LIBS="-ltermcap -lc -lsocket -linet -lnsl -lsec -lseq"
 
-AC_TRY_RUN(main(){exit(0);},,AC_MSG_ERROR(Can't run the compiler - internal error. Sorry.))
-
 ETCSCREENRC=
 AC_MSG_CHECKING(for the global screenrc file)
 AC_ARG_WITH(sys-screenrc, [  --with-sys-screenrc=path to the global screenrc file], [ ETCSCREENRC="${withval}" ])
-- 
1.8.4.5