📄 ltconfig
字号:
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; netbsd*) if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF fi hardcode_libdir_flag_spec='${wl}-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; openbsd*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def' old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def' ;; osf3* | osf4*) if test "$with_gcc" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib' fi hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; sco3.2v5*) archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts' hardcode_direct=yes ;; solaris*) no_undefined_flag=' -z text' # $CC -shared without GNU ld will not create a library from C++ # object files and a static libstdc++, better avoid it by now archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts' archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp' hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no ;; sunos4*) # Why do we need -Bstatic? To avoid inter-library dependencies, maybe... if test "$with_gcc" = yes; then # Use -fPIC here because libgcc is multilibbed archive_cmds='$CC -shared ${wl}-Bstatic -fPIC -o $lib $libobjs $deplibs $linkopts' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' hardcode_direct=no hardcode_minus_L=no hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; uts4*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=no hardcode_minus_L=no hardcode_shlibpath_var=no ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=no hardcode_minus_L=no hardcode_shlibpath_var=no ;; *) ld_shlibs=no can_build_shared=no ;; esacfiecho "$ac_t$ld_shlibs" 1>&6if test -z "$NM"; then echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6 case "$NM" in /* | [A-Za-z]:[/\\]*) ;; # Let the user override the test with a path. *) IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/nm; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then NM="$ac_dir/nm -B" break elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then NM="$ac_dir/nm -p" break else NM=${NM="$ac_dir/nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags fi fi done IFS="$ac_save_ifs" test -z "$NM" && NM=nm ;; esac echo "$ac_t$NM" 1>&6fi# Check for command to grab the raw symbol name followed by C symbol from nm.echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6# These are sane defaults that work on at least a few old systems.# [They come from Ultrix. What could be older than Ultrix?!! ;)]# Character class describing NM global symbol codes.symcode='[BCDEGRST]'# Regexp to match symbols that can be accessed directly from C.sympat='\([_A-Za-z][_A-Za-z0-9]*\)'# Transform the above into a raw symbol and a C symbol.symxfrm='\1 \2\3 \3'# Transform an extracted symbol line into a proper C declarationglobal_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"# Define system-specific variables.case "$host_os" inaix*) symcode='[BCDT]' ;;cygwin* | mingw*) symcode='[ABCDGISTW]' ;;hpux*) # Its linker distinguishes data from code symbols global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" ;;irix*) symcode='[BCDEGRST]' ;;solaris*) symcode='[BDT]' ;;esac# If we're using GNU nm, then use its standard symbol codes.if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then symcode='[ABCDGISTW]'fi# Try without a prefix undercore, then with it.for ac_symprfx in "" "_"; do # Write the raw and C identifiers. global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'" # Check to see that the pipe works correctly. pipe_works=no $rm conftest* cat > conftest.c <<EOF#ifdef __cplusplusextern "C" {#endifchar nm_test_var;void nm_test_func(){}#ifdef __cplusplus}#endifmain(){nm_test_var='a';nm_test_func();return(0);}EOF echo "$progname:1447: checking if global_symbol_pipe works" >&5 if { (eval echo $progname:1448: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then # Now try to grab the symbols. nlist=conftest.nm if { echo "$progname:1451: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if egrep ' nm_test_var$' "$nlist" >/dev/null; then if egrep ' nm_test_func$' "$nlist" >/dev/null; then cat <<EOF > conftest.c#ifdef __cplusplusextern "C" {#endifEOF # Now generate the symbol file. eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c' cat <<EOF >> conftest.c#if defined (__STDC__) && __STDC__# define lt_ptr_t void *#else# define lt_ptr_t char *# define const#endif/* The mapping between symbol names and symbols. */const struct { const char *name; lt_ptr_t address;}lt_preloaded_symbols[] ={EOF sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c cat <<\EOF >> conftest.c {0, (lt_ptr_t) 0}};#ifdef __cplusplus}#endifEOF # Now try linking the two files. mv conftest.$objext conftestm.$objext save_LIBS="$LIBS" save_CFLAGS="$CFLAGS" LIBS="conftestm.$objext" CFLAGS="$CFLAGS$no_builtin_flag" if { (eval echo $progname:1503: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then pipe_works=yes else echo "$progname: failed program was:" >&5 cat conftest.c >&5 fi LIBS="$save_LIBS" else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.c >&5 fi $rm conftest* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else global_symbol_pipe= fidoneecho "$ac_t$pipe_works" 1>&6if test -z "$global_symbol_pipe"; then global_symbol_to_cdecl=fi# Check hardcoding attributes.echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6hardcode_action=if test -n "$hardcode_libdir_flag_spec" || \ test -n "$runpath_var"; then # We can hardcode non-existant directories. if test "$hardcode_direct" != no && \ test "$hardcode_minus_L" != no && \ test "$hardcode_shlibpath_var" != no; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fielse # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupportedfiecho "$ac_t$hardcode_action" 1>&6reload_flag=reload_cmds='$LD$reload_flag -o $output$reload_objs'echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6# PORTME Some linkers may need a different reload flag.reload_flag='-r'echo "$ac_t$reload_flag" 1>&6test -n "$reload_flag" && reload_flag=" $reload_flag"# PORTME Fill in your ld.so characteristicslibrary_names_spec=libname_spec='lib$name'soname_spec=postinstall_cmds=postuninstall_cmds=finish_cmds=finish_eval=shlibpath_var=shlibpath_overrides_runpath=unknownversion_type=nonedynamic_linker="$host_os ld.so"sys_lib_dlsearch_path_spec="/lib /usr/lib"sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"file_magic_cmd=file_magic_test_file=deplibs_check_method='unknown'# Need to set the preceding variable on all platforms that support# interlibrary dependencies.# 'none' -- dependencies not supported.# `unknown' -- same as none, but documents that we really don't know.# 'pass_all' -- all dependencies passed with no checks.# 'test_compile' -- check by making test program.# 'file_magic [regex]' -- check by looking for files in library path# which responds to the $file_magic_cmd with a given egrep regex.# If you have `file' or equivalent on your system and you're not sure# whether `pass_all' will *always* work, you probably want this one.echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6case "$host_os" inaix3*) version_type=linux library_names_spec='${libname}${release}.so$versuffix $libname.a' shlibpath_var=LIBPATH # AIX has no versioning support, so we append a major version to the name. soname_spec='${libname}${release}.so$major' ;;aix4*) version_type=linux # AIX has no versioning support, so currently we can not hardcode correct # soname into executable. Probably we can add versioning support to # collect2, so additional links can be useful in future. # We preserve .a as extension for shared libraries though AIX4.2 # and later linker supports .so library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a' shlibpath_var=LIBPATH deplibs_check_method=pass_all ;;amigaos*) library_names_spec='$libname.ixlibrary $libname.a' # Create ${libname}_ixlibrary.a entries in /sys/libs. finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done' ;;beos*) library_names_spec='${libname}.so' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH ;;bsdi4*) version_type=linux library_names_spec='${libname}.so$major ${libname}.so' soname_spec='${libname}.so' finish_cmds='PATH="$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH deplibs_check_method='file_magic ELF 32-bit LSB shared object' file_magic_cmd=/usr/bin/file file_magic_test_file=/shlib/libc.so sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;;cygwin* | mingw*) version_type=windows if test "$with_gcc" = yes; then library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a' else library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib' fi dynamic_linker='Win32 ld.exe' deplibs_check_method='file_magic file format pei*-i386.*architecture: i386' file_magic_cmd='objdump -f' need_lib_prefix=no # FIXME: first we should search . and the directory the executable is in shlibpath_var=PATH ;;freebsd1*)
⌨️ 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 + -