|  | 
 | # Copyright (C) Igor Sysoev | 
 | # Copyright (C) Nginx, Inc. | 
 |  | 
 |  | 
 | if [ "$NGX_PLATFORM" != win32 ]; then | 
 |  | 
 |     ngx_feature="C compiler" | 
 |     ngx_feature_name= | 
 |     ngx_feature_run=yes | 
 |     ngx_feature_incs= | 
 |     ngx_feature_path= | 
 |     ngx_feature_libs= | 
 |     ngx_feature_test= | 
 |     . $NGX_AUTO/feature | 
 |  | 
 |     if [ $ngx_found = no ]; then | 
 |         echo | 
 |         echo $0: error: C compiler $CC is not found | 
 |         echo | 
 |         exit 1 | 
 |     fi | 
 |  | 
 | fi | 
 |  | 
 |  | 
 | if [ "$CC" = cl ]; then | 
 |     NGX_CC_NAME=msvc | 
 |     echo " + using Microsoft Visual C++ compiler" | 
 |  | 
 | elif [ "$CC" = wcl386 ]; then | 
 |     NGX_CC_NAME=owc | 
 |     echo " + using Open Watcom C compiler" | 
 |  | 
 | elif [ "$CC" = bcc32 ]; then | 
 |     NGX_CC_NAME=bcc | 
 |     echo " + using Borland C++ compiler" | 
 |  | 
 | elif `$CC -V 2>&1 | grep '^Intel(R) C' >/dev/null 2>&1`; then | 
 |     NGX_CC_NAME=icc | 
 |     echo " + using Intel C++ compiler" | 
 |  | 
 | elif `$CC -v 2>&1 | grep 'gcc version' >/dev/null 2>&1`; then | 
 |     NGX_CC_NAME=gcc | 
 |     echo " + using GNU C compiler" | 
 |  | 
 | elif `$CC -v 2>&1 | grep 'clang version' >/dev/null 2>&1`; then | 
 |     NGX_CC_NAME=clang | 
 |     echo " + using Clang C compiler" | 
 |  | 
 | elif `$CC -v 2>&1 | grep 'LLVM version' >/dev/null 2>&1`; then | 
 |     NGX_CC_NAME=clang | 
 |     echo " + using Clang C compiler" | 
 |  | 
 | elif `$CC -V 2>&1 | grep 'Sun C' >/dev/null 2>&1`; then | 
 |     NGX_CC_NAME=sunc | 
 |     echo " + using Sun C compiler" | 
 |  | 
 | elif `$CC -V 2>&1 | grep '^Compaq C' >/dev/null 2>&1`; then | 
 |     NGX_CC_NAME=ccc | 
 |     echo " + using Compaq C compiler" | 
 |  | 
 | elif `$CC -V 2>&1 | grep '^aCC: ' >/dev/null 2>&1`; then | 
 |     NGX_CC_NAME=acc | 
 |     echo " + using HP aC++ compiler" | 
 |  | 
 | else | 
 |     NGX_CC_NAME=unknown | 
 |  | 
 | fi |