AC_REQUIRE([AC_PROG_CC])dnl
with_gcc="$GCC"; AC_SUBST([with_gcc])
AC_REQUIRE([AC_PROG_LD])dnl
+AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
AC_REQUIRE([AC_PROG_NM])dnl
AC_REQUIRE([AC_PROG_LN_S])dnl
+AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
AC_REQUIRE([AC_OBJEXT])dnl
AC_REQUIRE([AC_EXEEXT])dnl
dnl
+# Only perform the check for file, if the check method requires it
+case "$deplibs_check_method" in
+file_magic*)
+ if test "$file_magic_cmd" == '$FILE'; then
+ AC_PATH_FILE
+ fi
+ ;;
+esac
+
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)
-echo 'This is only a test.' > conftest.txt
-AC_PATH_TOOL_GREP_OUTPUT(FILE, file conftest.txt, text, :, "/usr/bin:$PATH")
-rm -rf conftest*
-
# Check for any special flags to pass to ltconfig.
libtool_flags="--cache-file=$cache_file"
test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
AC_ENABLE_FAST_INSTALL(no)])
-# AC_PATH_PROG_GREP_OUTPUT - look for a particular expression in the output
-# generated by $PROG
-dnl AC_PATH_PROG_GREP_OUTPUT(VARIABLE, PROG-TO-CHECK-FOR, GREP-EXPRESSION[, VALUE-IF-NOT-FOUND[, PATH]])
-AC_DEFUN(AC_PATH_PROG_GREP_OUTPUT,
-[# Extract the first word of "$2", so it can be a program name with args.
-set dummy $2; ac_word=[$]2
-AC_MSG_CHECKING([for $ac_word])
-AC_CACHE_VAL(ac_cv_path_$1,
-[case "[$]$1" in
+# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
+AC_DEFUN(AC_PATH_TOOL_PREFIX,
+[AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_FILE,
+[case "$FILE" in
/*)
- ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
+ lt_cv_path_FILE="$FILE" # Let the user override the test with a path.
;;
?:/*)
- ac_cv_path_$1="[$]$1" # Let the user override the test with a dos path.
+ ac_cv_path_FILE="$FILE" # Let the user override the test with a dos path.
;;
*)
+ ac_save_file="$FILE"
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
dnl $ac_dummy forces splitting on constant user-supplied paths.
dnl POSIX.2 word splitting is done only on the output of word expansions,
dnl not every word. This closes a longstanding sh security hole.
- ac_dummy="ifelse([$5], , $PATH, [$5])"
+ ac_dummy="ifelse([$2], , $PATH, [$2])"
for ac_dir in $ac_dummy; do
test -z "$ac_dir" && ac_dir=.
- if eval '$ac_dir/$2' 2>&1 | grep $3 >/dev/null 2>&1; then
- ac_cv_path_$1="$ac_dir/$ac_word"
+ if test -f $ac_dir/$1; then
+ lt_cv_path_FILE="$ac_dir/$1"
+ if test -n "$file_magic_test_file"; then
+ case "$deplibs_check_method" in
+ "file_magic "*)
+ file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
+ FILE="$lt_cv_path_FILE"
+ if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+ egrep "$file_magic_regex" > /dev/null; then
+ :
+ else
+ cat <<EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such. This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem. Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+EOF
+ fi ;;
+ esac
+ fi
break
fi
done
IFS="$ac_save_ifs"
-dnl If no 4th arg is given, leave the cache variable unset
-ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
-])dnl
+ FILE="$ac_save_file"
;;
-esac])dnl
-$1="$ac_cv_path_$1"
-if test -n "[$]$1"; then
- AC_MSG_RESULT([$]$1)
+esac])
+FILE="$lt_cv_path_FILE"
+if test -n "$FILE"; then
+ AC_MSG_RESULT($FILE)
else
AC_MSG_RESULT(no)
fi
])
-# AC_PATH_TOOL_GREP_OUTPUT - Try AC_PATH_PROG_GREP_OUTPUT with target
-# prefix when cross-compiling
-dnl AC_PATH_TOOL_GREP_OUTPUT(VARIABLE, PROG-TO-CHECK-FOR, GREP-EXPRESSION[, VALUE-IF-NOT-FOUND [, PATH]])
-AC_DEFUN(AC_PATH_TOOL_GREP_OUTPUT,
+# AC_PATH_FILE - find a file program which can recognise a shared library
+AC_DEFUN(AC_PATH_FILE,
[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
-AC_PATH_PROG_GREP_OUTPUT($1, ${ac_tool_prefix}$2, $3,
- ifelse([$4], , [$2], ), $5)
-ifelse([$4], , , [
- if test -z "$ac_cv_prog_$1"; then
- if test -n "$ac_tool_prefix"; then
- AC_PATH_PROG_GREP_OUTPUT($1, $2, $3, $2, $5)
- else
- $1="$4"
- fi
+AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
+if test -z "$lt_cv_path_FILE"; then
+ if test -n "$ac_tool_prefix"; then
+ AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
+ else
+ FILE=:
fi
-])
+fi
+AC_SUBST(FILE)dnl
])
AC_SUBST(with_gnu_ld)
])
+# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
+# -- PORTME Some linkers may need a different reload flag.
+AC_DEFUN(AC_PROG_LD_RELOAD_FLAG,
+[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
+[lt_cv_ld_reload_flag='-r'])
+reload_flag=$ac_cv_ld_reload_flag
+test -n "$reload_flag" && reload_flag=" $reload_flag"
+AC_SUBST(reload_flag)
+])
+
+# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
+# -- PORTME fill in with the dynamic library characteristics
+AC_DEFUN(AC_DEPLIBS_CHECK_METHOD,
+[AC_CACHE_CHECK([how to recognise dependant libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$FILE'
+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" in
+aix4* | 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_test_file=/shlib/libc.so
+ ;;
+
+cygwin* | mingw*)
+ lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
+ lt_cv_file_magic_cmd='${OBJDUMP} -f'
+ ;;
+
+freebsd*)
+ case "$version_type" in
+ freebsd-elf*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ esac
+ ;;
+
+gnu*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+irix5* | irix6*)
+ case "$host_os" in
+ irix5*)
+ # this will be overridden with pass_all, but let us keep it just in case
+ lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
+ ;;
+ *)
+ case "$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 "$host_cpu" in
+ alpha* | i*86 | sparc* )
+ lt_cv_deplibs_check_method=pass_all ;;
+ *)
+ # glibc up to 2.1.1 does not perform some relocations on ARM
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;
+ esac
+ lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
+ ;;
+
+osf3* | osf4* | osf5*)
+ # this will be overridden with pass_all, but let us keep it just in case
+ lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
+ lt_cv_file_magic_test_file=/shlib/libc.so
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+sco3.2v5*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+solaris*)
+ lt_cv_deplibs_check_method=pass_all
+ lt_cv_file_magic_test_file=/lib/libc.so
+ ;;
+
+sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+ case "$host_vendor" in
+ ncr)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ 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*`
+ ;;
+ esac
+ ;;
+esac
+])
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+AC_SUBST(file_magic_cmd)
+AC_SUBST(deplibs_check_method)
+])
+
+
# AC_PROG_NM - find the path to a BSD-compatible name lister
AC_DEFUN(AC_PROG_NM,
[AC_MSG_CHECKING([for BSD-compatible nm])
echo "${ac_t}no" 1>&6
fi
-reload_flag=
+reload_flag=@reload_flag@
reload_cmds='$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$reload_flag" 1>&6
-test -n "$reload_flag" && reload_flag=" $reload_flag"
+
+file_magic_cmd=@file_magic_cmd@
+deplibs_check_method=@deplibs_check_method@
# PORTME Fill in your ld.so characteristics
library_names_spec=
dynamic_linker="$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"
-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... $ac_c" 1>&6
case "$host_os" in
aix3*)
# 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}.so'
dynamic_linker="$host_os ld.so"
shlibpath_var=LIBRARY_PATH
- deplibs_check_method=pass_all
lt_cv_dlopen="load_add_on"
lt_cv_dlopen_libs=
lt_cv_dlopen_self=yes
soname_spec='${libname}${release}.so$major'
finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
shlibpath_var=LD_LIBRARY_PATH
- deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
- file_magic_test_file=/shlib/libc.so
sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
export_dynamic_flag_spec=-rdynamic
library_names_spec='${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'
# FIXME: first we should search . and the directory the executable is in
shlibpath_var=PATH
lt_cv_dlopen="LoadLibrary"
version_type=freebsd-$objformat
case "$version_type" in
freebsd-elf*)
- deplibs_check_method=pass_all
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
need_version=no
need_lib_prefix=no
;;
freebsd-*)
- deplibs_check_method=unknown
library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
need_version=yes
;;
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
soname_spec='${libname}${release}.so$major'
shlibpath_var=LD_LIBRARY_PATH
- deplibs_check_method=pass_all
;;
hpux9* | hpux10* | hpux11*)
case "$host_os" in
irix5*)
libsuff= shlibsuff=
- # this will be overridden with pass_all, but let us keep it just in case
- deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
;;
*)
case "$LD" in # libtool.m4 will add one of these switches to LD
shlibpath_overrides_runpath=no
sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
- file_magic_test_file=`echo /lib${libsuff}/libc.so*`
- deplibs_check_method=pass_all
;;
# No shared lib support for Linux oldld, aout, or coff.
shlibpath_var=LD_LIBRARY_PATH
shlibpath_overrides_runpath=no
- case "$host_cpu" in
- alpha* | i*86 | sparc* )
- deplibs_check_method=pass_all ;;
- *)
- # glibc up to 2.1.1 does not perform some relocations on ARM
- deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;
- esac
- file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
-
if test -f /lib/ld.so.1; then
dynamic_linker='GNU ld.so'
else
soname_spec='${libname}${release}.so'
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
shlibpath_var=LD_LIBRARY_PATH
- # this will be overridden with pass_all, but let us keep it just in case
- deplibs_check_method='file_magic COFF format alpha shared library'
- file_magic_test_file=/shlib/libc.so
- deplibs_check_method=pass_all
sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
;;
soname_spec='${libname}${release}.so$major'
library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
shlibpath_var=LD_LIBRARY_PATH
- deplibs_check_method=pass_all
;;
solaris*)
shlibpath_overrides_runpath=yes
# ldd complains unless libraries are executable
postinstall_cmds='chmod +x $lib'
- deplibs_check_method=pass_all
- file_magic_test_file=/lib/libc.so
;;
sunos4*)
soname_spec='${libname}${release}.so$major'
shlibpath_var=LD_LIBRARY_PATH
case "$host_vendor" in
- ncr)
- deplibs_check_method=pass_all
- ;;
motorola)
need_lib_prefix=no
need_version=no
shlibpath_overrides_runpath=no
sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
- deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
- file_magic_test_file=`echo /usr/lib/libc.so*`
;;
esac
;;
;;
esac
-if test -n "$file_magic_test_file"; then
- case "$deplibs_check_method" in
- "file_magic "*)
- file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
- if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
- egrep "$file_magic_regex" > /dev/null; then
- :
- else
- cat <<EOF 1>&2
-
-*** Warning: the command libtool uses to detect shared libraries,
-*** $file_magic_cmd, produces output that libtool cannot recognize.
-*** The result is that libtool may fail to recognize shared libraries
-*** as such. This will affect the creation of libtool libraries that
-*** depend on shared libraries, but programs linked with such libtool
-*** libraries will work regardless of this problem. Nevertheless, you
-*** may want to report the problem to your system manager and/or to
-*** bug-libtool@gnu.org
-
-EOF
- fi ;;
- esac
-fi
-
echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
test "$can_build_shared" = "no" && enable_shared=no
projects / thirdparty / libtool.git / commitdiff
