📄 configure
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if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.set dummy ${ac_tool_prefix}gcc; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fidonedonefifiCC=$ac_cv_prog_CCif test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5echo "${ECHO_T}$CC" >&6else echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fifiif test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args.set dummy gcc; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="gcc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fidonedonefifiac_ct_CC=$ac_cv_prog_ac_ct_CCif test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5echo "${ECHO_T}$ac_ct_CC" >&6else echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fi CC=$ac_ct_CCelse CC="$ac_cv_prog_CC"fiif test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.set dummy ${ac_tool_prefix}cc; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fidonedonefifiCC=$ac_cv_prog_CCif test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5echo "${ECHO_T}$CC" >&6else echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fifiif test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "cc", so it can be a program name with args.set dummy cc; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fidonedonefifiac_ct_CC=$ac_cv_prog_ac_ct_CCif test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5echo "${ECHO_T}$ac_ct_CC" >&6else echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fi CC=$ac_ct_CCelse CC="$ac_cv_prog_CC"fifiif test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args.set dummy cc; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test.else ac_prog_rejected=noas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fidonedoneif test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" fifififiCC=$ac_cv_prog_CCif test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5echo "${ECHO_T}$CC" >&6else echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fifiif test -z "$CC"; then if test -n "$ac_tool_prefix"; then for ac_prog in cl do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.set dummy $ac_tool_prefix$ac_prog; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fidonedonefifiCC=$ac_cv_prog_CCif test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5echo "${ECHO_T}$CC" >&6else echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fi test -n "$CC" && break donefiif test -z "$CC"; then ac_ct_CC=$CC for ac_prog in cldo # Extract the first word of "$ac_prog", so it can be a program name with args.set dummy $ac_prog; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fidonedonefifiac_ct_CC=$ac_cv_prog_ac_ct_CCif test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5echo "${ECHO_T}$ac_ct_CC" >&6else echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fi test -n "$ac_ct_CC" && breakdone CC=$ac_ct_CCfifitest -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATHSee \`config.log' for more details." >&5echo "$as_me: error: no acceptable C compiler found in \$PATHSee \`config.log' for more details." >&2;} { (exit 1); exit 1; }; }# Provide some information about the compiler.echo "$as_me:$LINENO:" \ "checking for C compiler version" >&5ac_compiler=`set X $ac_compile; echo $2`{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5 (eval $ac_compiler --version </dev/null >&5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5 (eval $ac_compiler -v </dev/null >&5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5 (eval $ac_compiler -V </dev/null >&5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }cat >conftest.$ac_ext <<_ACEOF/* confdefs.h. */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h. */intmain (){ ; return 0;}_ACEOFac_clean_files_save=$ac_clean_filesac_clean_files="$ac_clean_files a.out a.exe b.out"# Try to create an executable without -o first, disregard a.out.# It will help us diagnose broken compilers, and finding out an intuition# of exeext.echo "$as_me:$LINENO: checking for C compiler default output file name" >&5echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5 (eval $ac_link_default) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; then # Find the output, starting from the most likely. This scheme is# not robust to junk in `.', hence go to wildcards (a.*) only as a last# resort.# Be careful to initialize this variable, since it used to be cached.# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.ac_cv_exeext=# b.out is created by i960 compilers.for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.outdo test -f "$ac_file" || continue case $ac_file in *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;; conftest.$ac_ext ) # This is the source file. ;; [ab].out ) # We found the default executable, but exeext='' is most # certainly right. break;; *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` # FIXME: I believe we export ac_cv_exeext for Libtool, # but it would be cool to find out if it's true. Does anybody # maintain Libtool? --akim. export ac_cv_exeext break;; * ) break;; esacdoneelse echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5{ { echo "$as_me:$LINENO: error: C compiler cannot create executablesSee \`config.log' for more details." >&5echo "$as_me: error: C compiler cannot create executablesSee \`config.log' for more details." >&2;} { (exit 77); exit 77; }; }fiac_exeext=$ac_cv_exeextecho "$as_me:$LINENO: result: $ac_file" >&5echo "${ECHO_T}$ac_file" >&6# Check the compiler produces executables we can run. If not, either# the compiler is broken, or we cross compile.echo "$as_me:$LINENO: checking whether the C compiler works" >&5echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6# FIXME: These cross compiler hacks should be removed for Autoconf 3.0# If not cross compiling, check that we can run a simple program.if test "$cross_compiling" != yes; then if { ac_t
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