From 0f5e1658c05746b17f05a1bade263cad19b37e79 Mon Sep 17 00:00:00 2001
From: Romain Naour <romain.naour@openwide.fr>
Date: Thu, 22 Jan 2015 15:20:25 +0100
Subject: [PATCH 1/6] configure: Remove "Check C compiler type (optimization
 options)"

This test force optimization to -O3
while it is already set in CFLAGS

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
---
 unix/configure | 98 ----------------------------------------------------------
 1 file changed, 98 deletions(-)

diff --git a/unix/configure b/unix/configure
index 73ba803..4185fee 100644
--- a/unix/configure
+++ b/unix/configure
@@ -22,108 +22,10 @@ LFLAGS1=''
 LFLAGS2=''
 LN="ln -s"
 
-CFLAGS_OPT=''
-
 # bzip2
 IZ_BZIP2=${3-}
 CFLAGS_BZ=''
 
-
-echo 'Check C compiler type (optimization options)'
-# Sun C?
-cat > conftest.c << _EOF_
-int main()
-{
-#ifndef __SUNPRO_C
-   bad code
-#endif
-   return 0;
-}
-_EOF_
-$CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
-if test $? -eq 0; then
-  CFLAGS_OPT='-xO3'
-  echo "  Sun C ($CFLAGS_OPT)"
-else
-  # Tru64 DEC/Compaq/HP C?
-  cat > conftest.c << _EOF_
-int main()
-{
-#ifndef __DECC
-   bad code
-#endif
-   return 0;
-}
-_EOF_
-  $CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
-  if test $? -eq 0; then
-    CFLAGS_OPT='-O3'
-    echo "  DEC C ($CFLAGS_OPT)"
-  else
-    # HP-UX HP C?
-    cat > conftest.c << _EOF_
-int main()
-{
-#ifdef __GNUC__
-   bad code
-#endif
-#ifndef __hpux
-   bad code
-#endif
-   return 0;
-}
-_EOF_
-    $CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
-    if test $? -eq 0; then
-      # HP-UX, not GCC.  Lame bundled or real ANSI compiler?
-      CFLAGS_OPT_TRY="+O3 +Onolimit"
-      $CC $CFLAGS $CFLAGS_OPT_TRY -c conftest.c 2>&1 | \
-       grep '(Bundled)' > /dev/null
-      if test $? -ne 0; then
-        CFLAGS_OPT="$CFLAGS_OPT_TRY"
-        echo "  HP-UX ANSI C ($CFLAGS_OPT)"
-      else
-        echo '  HP-UX Bundled C (no opt)'
-      fi
-    else
-      # GNU C?
-      cat > conftest.c << _EOF_
-int main()
-{
-#ifndef __GNUC__
-   bad code
-#endif
-   return 0;
-}
-_EOF_
-      $CC $CFLAGS -c conftest.c > /dev/null 2>/dev/null
-      if test $? -eq 0; then
-        CFLAGS_OPT='-O3'
-        echo "  GNU C ($CFLAGS_OPT)"
-        # Special Mac OS X shared library "ld" option?
-        if test ` uname -s 2> /dev/null ` = 'Darwin'; then
-          lf='-Wl,-search_paths_first'
-          $CC $CFLAGS $lf conftest.c > /dev/null 2>/dev/null
-          if test $? -eq 0; then
-            LFLAGS2="${LFLAGS2} ${lf}"
-          fi
-          rm -f conftest
-        fi
-      else
-        CFLAGS_OPT='-O'
-        echo "  Other-unknown C ($CFLAGS_OPT)"
-      fi
-    fi
-  fi
-fi
-
-# optimization flags
-if test -n "${CFLAGS_OPT}"; then
-  CFLAGS="${CFLAGS} ${CFLAGS_OPT}"
-  CFLAGS_BZ="${CFLAGS_BZ} ${CFLAGS_OPT}"
-fi
-
-
 # bzip2
 
 echo "Check bzip2 support"
-- 
1.9.3