📄 configure
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test ! -f ${_sed} && break cat /dev/null > "$tmp/sed.in" _count=0 echo ${ECHO_N-$ac_n} "0123456789${ECHO_C-$ac_c}" >"$tmp/sed.in" # Check for GNU sed and select it if it is found. if "${_sed}" --version 2>&1 < /dev/null | egrep '(GNU)' > /dev/null; then lt_cv_path_SED=${_sed} break fi while true; do cat "$tmp/sed.in" "$tmp/sed.in" >"$tmp/sed.tmp" mv "$tmp/sed.tmp" "$tmp/sed.in" cp "$tmp/sed.in" "$tmp/sed.nl" echo >>"$tmp/sed.nl" ${_sed} -e 's/a$//' < "$tmp/sed.nl" >"$tmp/sed.out" || break cmp -s "$tmp/sed.out" "$tmp/sed.nl" || break # 40000 chars as input seems more than enough test $_count -gt 10 && break _count=`expr $_count + 1` if test $_count -gt $_max; then _max=$_count lt_cv_path_SED=$_sed fi done done rm -rf "$tmp"fiif test "X$SED" != "X"; then lt_cv_path_SED=$SEDelse SED=$lt_cv_path_SEDfiecho "$ac_t""$SED" 1>&6echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6echo "configure:1671: checking whether ln -s works" >&5if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else rm -f conftestdataif ln -s X conftestdata 2>/dev/nullthen rm -f conftestdata ac_cv_prog_LN_S="ln -s"else ac_cv_prog_LN_S=lnfifiLN_S="$ac_cv_prog_LN_S"if test "$ac_cv_prog_LN_S" = "ln -s"; then echo "$ac_t""yes" 1>&6else echo "$ac_t""no" 1>&6fiecho $ac_n "checking how to recognise dependent libraries""... $ac_c" 1>&6echo "configure:1692: checking how to recognise dependent libraries" >&5if eval "test \"`echo '$''{'lt_cv_deplibs_check_method'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else lt_cv_file_magic_cmd='$MAGIC_CMD'lt_cv_file_magic_test_file=lt_cv_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.case $host_os inaix4* | aix5*) lt_cv_deplibs_check_method=pass_all ;;beos*) lt_cv_deplibs_check_method=pass_all ;;bsdi4*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=/shlib/libc.so ;;cygwin* | mingw* | pw32*) lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;;darwin* | rhapsody*) lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library' lt_cv_file_magic_cmd='/usr/bin/file -L' case "$host_os" in rhapsody* | darwin1.[012]) lt_cv_file_magic_test_file=`echo /System/Library/Frameworks/System.framework/Versions/*/System | head -1` ;; *) # Darwin 1.3 on lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib' ;; esac ;;freebsd*) if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;;gnu*) lt_cv_deplibs_check_method=pass_all ;;hpux10.20*|hpux11*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libc.sl ;;irix5* | irix6* | nonstopux*) case $host_os in irix5* | nonstopux*) # this will be overridden with pass_all, but let us keep it just in case lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" ;; *) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac # this will be overridden with pass_all, but let us keep it just in case lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1" ;; esac lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*` lt_cv_deplibs_check_method=pass_all ;;# This must be Linux ELF.linux-gnu*) case $host_cpu in alpha* | hppa* | i*86 | mips | mipsel | powerpc* | sparc* | ia64* | x86_64*) lt_cv_deplibs_check_method=pass_all ;; *) # glibc up to 2.1.1 does not perform some relocations on ARM lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; esac lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so` ;;netbsd*) if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$' else lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so$' fi ;;newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libnls.so ;;openbsd*) lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object' else lt_cv_deplibs_check_method='file_magic OpenBSD.* shared library' fi ;;osf3* | osf4* | osf5*) # this will be overridden with pass_all, but let us keep it just in case lt_cv_deplibs_check_method='file_magic COFF format alpha shared library' lt_cv_file_magic_test_file=/shlib/libc.so lt_cv_deplibs_check_method=pass_all ;;sco3.2v5*) lt_cv_deplibs_check_method=pass_all ;;solaris*) lt_cv_deplibs_check_method=pass_all lt_cv_file_magic_test_file=/lib/libc.so ;;sysv5uw[78]* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;;sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; esac ;;esacfiecho "$ac_t""$lt_cv_deplibs_check_method" 1>&6file_magic_cmd=$lt_cv_file_magic_cmddeplibs_check_method=$lt_cv_deplibs_check_methodecho $ac_n "checking for object suffix""... $ac_c" 1>&6echo "configure:1878: checking for object suffix" >&5if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else rm -f conftest*echo 'int i = 1;' > conftest.$ac_extif { (eval echo configure:1884: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then for ac_file in conftest.*; do case $ac_file in *.c) ;; *) ac_cv_objext=`echo $ac_file | sed -e s/conftest.//` ;; esac doneelse { echo "configure: error: installation or configuration problem; compiler does not work" 1>&2; exit 1; }firm -f conftest*fiecho "$ac_t""$ac_cv_objext" 1>&6OBJEXT=$ac_cv_objextac_objext=$ac_cv_objextecho $ac_n "checking for executable suffix""... $ac_c" 1>&6echo "configure:1904: checking for executable suffix" >&5if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else if test "$CYGWIN" = yes || test "$MINGW32" = yes; then ac_cv_exeext=.exeelse rm -f conftest* echo 'int main () { return 0; }' > conftest.$ac_ext ac_cv_exeext= if { (eval echo configure:1914: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then for file in conftest.*; do case $file in *.c | *.o | *.obj) ;; *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;; esac done else { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; } fi rm -f conftest* test x"${ac_cv_exeext}" = x && ac_cv_exeext=nofifiEXEEXT=""test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext}echo "$ac_t""${ac_cv_exeext}" 1>&6ac_exeext=$EXEEXTif test $host != $build; then ac_tool_prefix=${host_alias}-else ac_tool_prefix=fi# 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>&6echo "configure:1945: checking command to parse $NM output" >&5if eval "test \"`echo '$''{'lt_cv_sys_global_symbol_pipe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else # 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 declarationlt_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"# Transform an extracted symbol line into symbol name and symbol addresslt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([^ ]*\) \([^ ]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'"# Define system-specific variables.case $host_os inaix*) symcode='[BCDT]' ;;cygwin* | mingw* | pw32*) symcode='[ABCDGISTW]' ;;hpux*) # Its linker distinguishes data from code symbols lt_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'" ;;irix* | nonstopux*) symcode='[BCDEGRST]' ;;osf*) symcode='[BCDEGQRST]' ;;solaris* | sysv5*) symcode='[BDT]' ;;sysv4) symcode='[DFNSTU]' ;;esac# Handle CRLF in mingw tool chainopt_cr=case $host_os inmingw*) opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;;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.lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<EOF#ifdef __cplusplusextern "C" {#endifchar nm_test_var;void nm_test_func(){}#ifdef __cplusplus}#endifint main(){nm_test_var='a';nm_test_func();return(0);}EOF if { (eval echo configure:2028: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then # Now try to grab the symbols. nlist=conftest.nm if { (eval echo configure:2031: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\") 1>&5; (eval $NM conftest.$ac_objext \| $lt_cv_sys_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; t
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