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Diffstat (limited to 'gnulib/m4/ldd.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/ldd.m4 | 207 |
2 files changed, 207 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/ldd.m4 b/gnulib/m4/ldd.m4 new file mode 100644 index 0000000..cd05e55 --- /dev/null +++ b/gnulib/m4/ldd.m4 @@ -0,0 +1,207 @@ +# ldd.m4 serial 1 +dnl Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Sets LDDPROG to a command and LDDPOSTPROC to a filter command, such that +# $LDDPROG program $LDDPOSTPROC +# outputs a whitespace-separated list of the dynamically linked dependencies +# of the program, as library names (no full pathnames), or nothing if the +# program is statically linked or if the service is not supported on the given +# system. + +dnl From Bruno Haible. + +AC_DEFUN([gl_LDD], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_PROG_CC]) + dnl Default values. + LDDPROG=':' + LDDPOSTPROC= + dnl First try objdump, since it works when cross-compiling. + AC_CHECK_TOOL([OBJDUMP], [objdump], [false]) +changequote(,)dnl + if test "$OBJDUMP" != "false"; then + LDDPROG="$OBJDUMP -p" + dnl The output of "LC_ALL=C objdump -p program" of a program or library + dnl looks like this: + dnl + dnl libnet.so: file format elf32-i386 + dnl + dnl Program Header: + dnl LOAD off 0x00000000 vaddr 0x00000000 paddr 0x00000000 align 2**12 + dnl filesz 0x0001391d memsz 0x0001391d flags r-x + dnl LOAD off 0x00013920 vaddr 0x00014920 paddr 0x00014920 align 2**12 + dnl filesz 0x00001874 memsz 0x0001b020 flags rw- + dnl DYNAMIC off 0x00015104 vaddr 0x00016104 paddr 0x00016104 align 2**2 + dnl filesz 0x00000090 memsz 0x00000090 flags rw- + dnl + dnl Dynamic Section: + dnl NEEDED libroot.so + dnl SONAME libnet.so + dnl SYMBOLIC 0x0 + dnl INIT 0x2aec + dnl FINI 0x12a2c + dnl HASH 0x94 + dnl STRTAB 0x1684 + dnl SYMTAB 0x774 + dnl STRSZ 0xbd5 + dnl SYMENT 0x10 + dnl PLTGOT 0x15f20 + dnl PLTRELSZ 0x320 + dnl PLTREL 0x11 + dnl JMPREL 0x27cc + dnl REL 0x225c + dnl RELSZ 0x570 + dnl RELENT 0x8 + LDDPOSTPROC="2>/dev/null | sed -n -e 's,^ NEEDED *\\([^ ].*\\)\$,\\1,p'" + else + if test "$cross_compiling" = no; then + dnl Not cross-compiling. Try system dependent vendor tools. + case "$host_os" in + aix*) + LDDPROG="dump -H" + dnl The output of "LC_ALL=C dump -H program" looks like this: + dnl + dnl program: + dnl + dnl ***Loader Section*** + dnl Loader Header Information + dnl VERSION# #SYMtableENT #RELOCent LENidSTR + dnl 0x00000001 0x00000005 0x0000000d 0x0000001e + dnl + dnl #IMPfilID OFFidSTR LENstrTBL OFFstrTBL + dnl 0x00000002 0x00000134 0x0000000d 0x00000152 + dnl + dnl + dnl ***Import File Strings*** + dnl INDEX PATH BASE MEMBER + dnl 0 /usr/lib:/lib + dnl 1 libc.a shr.o + dnl + LDDPOSTPROC="2>/dev/null | sed -e '/^[^0-9]/d' -e '/^0x/d' | sed -n -e 's,^[0-9]* *\\([^ ]*\\).*\$,\\1,p' | sed -e 's,^.*/,,'" + ;; + darwin*) + LDDPROG="otool -L" + dnl The output of "otool -L program" looks like this: + dnl program: + dnl /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 71.1.4) + LDDPOSTPROC="2>/dev/null | sed -n -e 's,^ \\([^ ]*\\).*\$,\\1,p' | sed -e 's,^.*/,,'" + ;; + hpux*) + LDDPROG="chatr" + dnl The output of "LC_ALL=C chatr program" looks like this: + dnl program: + dnl shared executable + dnl shared library dynamic path search: + dnl SHLIB_PATH disabled second + dnl embedded path disabled first Not Defined + dnl shared library list: + dnl dynamic /usr/lib/libc.2 + dnl shared library binding: + dnl deferred + dnl global hash table disabled + dnl plabel caching disabled + dnl global hash array size:1103 + dnl global hash array nbuckets:3 + dnl shared vtable support disabled + dnl static branch prediction disabled + dnl executable from stack: D (default) + dnl kernel assisted branch prediction enabled + dnl lazy swap allocation disabled + dnl text segment locking disabled + dnl data segment locking disabled + dnl third quadrant private data space disabled + dnl fourth quadrant private data space disabled + dnl third quadrant global data space disabled + dnl data page size: D (default) + dnl instruction page size: D (default) + dnl nulptr references disabled + dnl shared library private mapping disabled + dnl shared library text merging disabled + dnl + dnl or like this: + dnl a.out: + dnl 32-bit ELF executable + dnl shared library dynamic path search: + dnl LD_LIBRARY_PATH enabled first + dnl SHLIB_PATH enabled second + dnl embedded path enabled third /usr/lib/hpux32:/opt/langtools/lib/hpux32 + dnl shared library list: + dnl libc.so.1 + dnl shared library binding: + dnl deferred + dnl global hash table disabled + dnl global hash table size 1103 + dnl shared library mapped private disabled + dnl shared library segment merging disabled + dnl shared vtable support disabled + dnl explicit unloading disabled + dnl segments: + dnl index type address flags size + dnl 7 text 04000000 z---c- D (default) + dnl 8 data 40000000 ---m-- D (default) + dnl executable from stack: D (default) + dnl kernel assisted branch prediction enabled + dnl lazy swap allocation for dynamic segments disabled + dnl nulptr references disabled + dnl address space model: default + dnl caliper dynamic instrumentation disabled + dnl + LDDPOSTPROC="2>/dev/null | sed -e '1,/shared library list:/d' -e '/shared library binding:/,\$d' | sed -e 's,^.*[ ]\\([^ ][^ ]*\\)\$,\\1,' | sed -e 's,^.*/,,'" + ;; + irix*) + LDDPROG="elfdump -Dl" + dnl The output of "elfdump -Dl program" looks like this: + dnl + dnl program: + dnl + dnl **** MIPS LIBLIST INFORMATION **** + dnl .liblist : + dnl [INDEX] Timestamp Checksum Flags Name Version + dnl [1] Oct 2 05:19:12 1999 0x867bf7a8 ----- libc.so.1 sgi1.0 + dnl + LDDPOSTPROC="2>/dev/null | sed -n -e 's,^[[][0-9]*[]].* 0x[^ ]* [^ ][^ ]* \\([^ ][^ ]*\\).*\$,\\1,p' | sed -e 's,^.*/,,'" + ;; + linux* | gnu* | kfreebsd*-gnu | knetbsd*-gnu) # glibc-based systems + LDDPROG="ldd" + dnl The output of "ldd program" looks like this: + dnl libc.so.6 => /lib/libc.so.6 (0x4002d000) + dnl /lib/ld-linux.so.2 (0x40000000) + LDDPOSTPROC="2>/dev/null | sed -n -e 's,^ \\([^ ][^ ]*\\).*\$,\\1,p' | sed -e 's,^.*/,,'" + ;; + osf*) + LDDPROG="odump -Dl" + dnl The output of "odump -Dl program" looks like this: + dnl + dnl ***LIBRARY LIST SECTION*** + dnl Name Time-Stamp CheckSum Flags Version + dnl program: + dnl libc.so Dec 30 00:09:30 1997 0x5e955f9b 0 osf.1 + dnl + LDDPOSTPROC="2>/dev/null | sed -n -e 's,^ \\([^ ][^ ]*\\).*,\\1,p' | sed -e '/^Name\$/d' | sed -e 's,^.*/,,'" + ;; + solaris*) + LDDPROG="ldd" + dnl The output of "ldd program" looks like this: + dnl libc.so.1 => /usr/lib/libc.so.1 + dnl libdl.so.1 => /usr/lib/libdl.so.1 + dnl /usr/platform/SUNW,Ultra-5_10/lib/libc_psr.so.1 + dnl The first sed collects the indented lines. + dnl The second sed extracts the left-hand part. + dnl The third sed removes directory specifications. + LDDPOSTPROC="2>/dev/null | sed -n -e 's,^ \\([^ ].*\\)\$,\\1,p' | sed -e 's, =>.*\$,,' | sed -e 's,^.*/,,'" + ;; + esac + fi + fi + dnl Avoid locale dependencies. + if test "$LDDPROG" != ":"; then + LDDPROG="LC_ALL=C $LDDPROG" + fi +changequote([,])dnl + AC_SUBST([LDDPROG]) + AC_SUBST([LDDPOSTPROC]) +]) |