📄 configure
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echo "$as_me: error: no acceptable cc found in \$PATH" >&2;}
{ (exit 1); exit 1; }; }
# Provide some information about the compiler.
echo "$as_me:1214:" \
"checking for C compiler version" >&5
ac_compiler=`set X $ac_compile; echo $2`
{ (eval echo "$as_me:1217: \"$ac_compiler --version </dev/null >&5\"") >&5
(eval $ac_compiler --version </dev/null >&5) 2>&5
ac_status=$?
echo "$as_me:1220: \$? = $ac_status" >&5
(exit $ac_status); }
{ (eval echo "$as_me:1222: \"$ac_compiler -v </dev/null >&5\"") >&5
(eval $ac_compiler -v </dev/null >&5) 2>&5
ac_status=$?
echo "$as_me:1225: \$? = $ac_status" >&5
(exit $ac_status); }
{ (eval echo "$as_me:1227: \"$ac_compiler -V </dev/null >&5\"") >&5
(eval $ac_compiler -V </dev/null >&5) 2>&5
ac_status=$?
echo "$as_me:1230: \$? = $ac_status" >&5
(exit $ac_status); }
cat >conftest.$ac_ext <<_ACEOF
#line 1234 "configure"
#include "confdefs.h"
int
main ()
{
;
return 0;
}
_ACEOF
ac_clean_files_save=$ac_clean_files
ac_clean_files="$ac_clean_files a.out a.exe"
# 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:1250: checking for C compiler default output" >&5
echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6
ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
if { (eval echo "$as_me:1253: \"$ac_link_default\"") >&5
(eval $ac_link_default) 2>&5
ac_status=$?
echo "$as_me:1256: \$? = $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.
for ac_file in `ls a.exe conftest.exe 2>/dev/null;
ls a.out conftest 2>/dev/null;
ls a.* conftest.* 2>/dev/null`; do
case $ac_file in
*.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
a.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 --akim.
export ac_cv_exeext
break;;
* ) break;;
esac
done
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
{ { echo "$as_me:1279: error: C compiler cannot create executables" >&5
echo "$as_me: error: C compiler cannot create executables" >&2;}
{ (exit 77); exit 77; }; }
fi
ac_exeext=$ac_cv_exeext
echo "$as_me:1285: result: $ac_file" >&5
echo "${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:1290: checking whether the C compiler works" >&5
echo $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_try='./$ac_file'
{ (eval echo "$as_me:1296: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:1299: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
cross_compiling=no
else
if test "$cross_compiling" = maybe; then
cross_compiling=yes
else
{ { echo "$as_me:1306: error: cannot run C compiled programs.
If you meant to cross compile, use \`--host'." >&5
echo "$as_me: error: cannot run C compiled programs.
If you meant to cross compile, use \`--host'." >&2;}
{ (exit 1); exit 1; }; }
fi
fi
fi
echo "$as_me:1314: result: yes" >&5
echo "${ECHO_T}yes" >&6
rm -f a.out a.exe conftest$ac_cv_exeext
ac_clean_files=$ac_clean_files_save
# Check the compiler produces executables we can run. If not, either
# the compiler is broken, or we cross compile.
echo "$as_me:1321: checking whether we are cross compiling" >&5
echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
echo "$as_me:1323: result: $cross_compiling" >&5
echo "${ECHO_T}$cross_compiling" >&6
echo "$as_me:1326: checking for executable suffix" >&5
echo $ECHO_N "checking for executable suffix... $ECHO_C" >&6
if { (eval echo "$as_me:1328: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:1331: \$? = $ac_status" >&5
(exit $ac_status); }; then
# If both `conftest.exe' and `conftest' are `present' (well, observable)
# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will
# work properly (i.e., refer to `conftest.exe'), while it won't with
# `rm'.
for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do
case $ac_file in
*.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;
*.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
export ac_cv_exeext
break;;
* ) break;;
esac
done
else
{ { echo "$as_me:1347: error: cannot compute EXEEXT: cannot compile and link" >&5
echo "$as_me: error: cannot compute EXEEXT: cannot compile and link" >&2;}
{ (exit 1); exit 1; }; }
fi
rm -f conftest$ac_cv_exeext
echo "$as_me:1353: result: $ac_cv_exeext" >&5
echo "${ECHO_T}$ac_cv_exeext" >&6
rm -f conftest.$ac_ext
EXEEXT=$ac_cv_exeext
ac_exeext=$EXEEXT
echo "$as_me:1359: checking for object suffix" >&5
echo $ECHO_N "checking for object suffix... $ECHO_C" >&6
if test "${ac_cv_objext+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line 1365 "configure"
#include "confdefs.h"
int
main ()
{
;
return 0;
}
_ACEOF
rm -f conftest.o conftest.obj
if { (eval echo "$as_me:1377: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:1380: \$? = $ac_status" >&5
(exit $ac_status); }; then
for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
case $ac_file in
*.$ac_ext | *.xcoff | *.tds | *.d | *.pdb ) ;;
*) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
break;;
esac
done
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
{ { echo "$as_me:1392: error: cannot compute OBJEXT: cannot compile" >&5
echo "$as_me: error: cannot compute OBJEXT: cannot compile" >&2;}
{ (exit 1); exit 1; }; }
fi
rm -f conftest.$ac_cv_objext conftest.$ac_ext
fi
echo "$as_me:1399: result: $ac_cv_objext" >&5
echo "${ECHO_T}$ac_cv_objext" >&6
OBJEXT=$ac_cv_objext
ac_objext=$OBJEXT
echo "$as_me:1403: checking whether we are using the GNU C compiler" >&5
echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
if test "${ac_cv_c_compiler_gnu+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line 1409 "configure"
#include "confdefs.h"
int
main ()
{
#ifndef __GNUC__
choke me
#endif
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:1424: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:1427: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:1430: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:1433: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_compiler_gnu=yes
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
ac_compiler_gnu=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
ac_cv_c_compiler_gnu=$ac_compiler_gnu
fi
echo "$as_me:1445: result: $ac_cv_c_compiler_gnu" >&5
echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
GCC=`test $ac_compiler_gnu = yes && echo yes`
ac_test_CFLAGS=${CFLAGS+set}
ac_save_CFLAGS=$CFLAGS
CFLAGS="-g"
echo "$as_me:1451: checking whether $CC accepts -g" >&5
echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
if test "${ac_cv_prog_cc_g+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line 1457 "configure"
#include "confdefs.h"
int
main ()
{
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:1469: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:1472: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:1475: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:1478: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_prog_cc_g=yes
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
ac_cv_prog_cc_g=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:1488: result: $ac_cv_prog_cc_g" >&5
echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
if test "$ac_test_CFLAGS" = set; then
CFLAGS=$ac_save_CFLAGS
elif test $ac_cv_prog_cc_g = yes; then
if test "$GCC" = yes; then
CFLAGS="-g -O2"
else
CFLAGS="-g"
fi
else
if test "$GCC" = yes; then
CFLAGS="-O2"
else
CFLAGS=
fi
fi
# Some people use a C++ compiler to compile C. Since we use `exit',
# in C++ we need to declare it. In case someone uses the same compiler
# for both compiling C and C++ we need to have the C++ compiler decide
# the declaration of exit, since it's the most demanding environment.
cat >conftest.$ac_ext <<_ACEOF
#ifndef __cplusplus
choke me
#endif
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:1515: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:1518: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:1521: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:1524: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
for ac_declaration in \
''\
'#include <stdlib.h>' \
'extern "C" void std::exit (int) throw (); using std::exit;' \
'extern "C" void std::exit (int); using std::exit;' \
'extern "C" void exit (int) throw ();' \
'extern "C" void exit (int);' \
'void exit (int);'
do
cat >conftest.$ac_ext <<_ACEOF
#line 1536 "configure"
#include "confdefs.h"
#include <stdlib.h>
$ac_declaration
int
main ()
{
exit (42);
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:1549: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:1552: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:1555: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:1558: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
:
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
continue
fi
rm -f conftest.$ac_objext conftest.$ac_ext
cat >conftest.$ac_ext <<_ACEOF
#line 1568 "configure"
#include "confdefs.h"
$ac_declaration
int
main ()
{
exit (42);
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:1580: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:1583: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:1586: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:1589: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
break
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
fi
rm -f conftest.$ac_objext conftest.$ac_ext
done
rm -f conftest*
if test -n "$ac_declaration"; then
echo '#ifdef __cplusplus' >>confdefs.h
echo $ac_declaration >>confdefs.h
echo '#endif' >>confdefs.h
fi
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
fi
rm -f conftest.$ac_objext conftest.$ac_ext
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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