📄 configure
字号:
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_compiler_gnu=yeselse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_compiler_gnu=nofirm -f conftest.$ac_objext conftest.$ac_extac_cv_c_compiler_gnu=$ac_compiler_gnufiecho "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6GCC=`test $ac_compiler_gnu = yes && echo yes`ac_test_CFLAGS=${CFLAGS+set}ac_save_CFLAGS=$CFLAGSCFLAGS="-g"echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6if test "${ac_cv_prog_cc_g+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){ ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_prog_cc_g=yeselse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_cv_prog_cc_g=nofirm -f conftest.$ac_objext conftest.$ac_extfiecho "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5echo "${ECHO_T}$ac_cv_prog_cc_g" >&6if test "$ac_test_CFLAGS" = set; then CFLAGS=$ac_save_CFLAGSelif test $ac_cv_prog_cc_g = yes; then if test "$GCC" = yes; then CFLAGS="-g -O2" else CFLAGS="-g" fielse if test "$GCC" = yes; then CFLAGS="-O2" else CFLAGS= fifi# Some people use a C++ compiler to compile C. Since we use `exit',# in C++ we need to declare it. In case someone uses the same compiler# for both compiling C and C++ we need to have the C++ compiler decide# the declaration of exit, since it's the most demanding environment.cat >conftest.$ac_ext <<_ACEOF#ifndef __cplusplus choke me#endif_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $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 $LINENO "configure"#include "confdefs.h"#include <stdlib.h>$ac_declaration#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){exit (42); ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then :else echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5continuefirm -f conftest.$ac_objext conftest.$ac_ext cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"$ac_declaration#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){exit (42); ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then breakelse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extdonerm -f conftest*if test -n "$ac_declaration"; then echo '#ifdef __cplusplus' >>confdefs.h echo $ac_declaration >>confdefs.h echo '#endif' >>confdefs.hfielse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extac_ext=cac_cpp='$CPP $CPPFLAGS'ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'ac_compiler_gnu=$ac_cv_c_compiler_gnuecho "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6if test "${ac_cv_c_bigendian+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else # See if sys/param.h defines the BYTE_ORDER macro.cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"#include <sys/types.h>#include <sys/param.h>#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN bogus endian macros#endif ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then # It does; now see whether it defined to BIG_ENDIAN or not.cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"#include <sys/types.h>#include <sys/param.h>#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){#if BYTE_ORDER != BIG_ENDIAN not big endian#endif ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_c_bigendian=yeselse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_cv_c_bigendian=nofirm -f conftest.$ac_objext conftest.$ac_extelse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5# It does not; compile a test program.if test "$cross_compiling" = yes; then # try to guess the endianess by grep'ing values into an object file ac_cv_c_bigendian=unknown cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; }short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; }#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){ _ascii (); _ebcdic (); ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then if fgrep BIGenDianSyS conftest.$ac_objext >/dev/null ; then ac_cv_c_bigendian=yesfiif fgrep LiTTleEnDian conftest.$ac_objext >/dev/null ; then if test "$ac_cv_c_bigendian" = unknown; then ac_cv_c_bigendian=no else # finding both strings is unlikely to happen, but who knows? ac_cv_c_bigendian=unknown fifielse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extelse cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"intmain (){ /* Are we little or big endian? From Harbison&Steele. */ union { long l; char c[sizeof (long)]; } u; u.l = 1; exit (u.c[sizeof (long) - 1] == 1);}_ACEOFrm -f conftest$ac_exeextif { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_c_bigendian=noelse echo "$as_me: program exited with status $ac_status" >&5echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5( exit $ac_status )ac_cv_c_bigendian=yesfirm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_extfifirm -f conftest.$ac_objext conftest.$ac_extfiecho "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5echo "${ECHO_T}$ac_cv_c_bigendian" >&6case $ac_cv_c_bigendian in yes)cat >>confdefs.h <<\_ACEOF#define WORDS_BIGENDIAN 1_ACEOF ;; no) ;; *) { { echo "$as_me:$LINENO: error: unknown endianesspresetting ac_cv_c_bigendian=no (or yes) will help" >&5echo "$as_me: error: unknown endianesspresetting ac_cv_c_bigendian=no (or yes) will help" >&2;} { (exit 1); exit 1; }; } ;;esacac_aux_dir=for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do if test -f $ac_dir/install-sh; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/install-sh -c" break elif test -f $ac_dir/install.sh; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/install.sh -c" break elif test -f $ac_dir/shtool; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/shtool install -c" break fidoneif test -z "$ac_aux_dir"; then { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;} { (exit 1); exit 1; }; }fi
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -