error Libtool library used but LIBTOOL is undefined

Question

I am trying to automake the OrientDb C   library  but getting some errors   Makefile am 10  error  Libtool library used but  LIBTOOL  is undefined Makefile am 10    The usual way to define  LIBTOOL  is to add  LT INIT  Makefile am 10    to  configure ac  and run  aclocal  and  autoconf  again  Makefile am 10    If  LT INIT  is in  configure ac   make sure Makefile am 10    its definition is in aclocal s search path    https   github com tglman orientdb-c  https   github com tglman orientdb-c wiki Install  I have configure ac and Makefile am already defined   I run the following autotools   aclocal autoheader automake    libtool  GNU libtool  2 4 2  configure ac    - - Autoconf - -   Process this file with autoconf to produce a configure script   AC PREREQ  2 69   AC INIT  orientdb-c   0 9   AC CONFIG SRCDIR  src o query internal h   AC CONFIG HEADERS  config h   AM INIT AUTOMAKE      Checks for programs  AC PROG CXX AC PROG AWK AC PROG CC AC PROG CPP AC PROG INSTALL AC PROG LN S AC PROG MAKE SET  LT INIT    Checks for libraries     Checks for header files  AC CHECK HEADERS  malloc h memory h netdb h netinet in h stdlib h string h sys ioctl h sys socket h     sys time h unistd h      Checks for typedefs  structures  and compiler characteristics  AC TYPE SIZE T    Checks for library functions  AC FUNC MALLOC AC FUNC REALLOC AC CHECK FUNCS  gethostbyname memset socket strchr strcspn strdup strerror    AC CONFIG FILES  Makefile   AC OUTPUT   Things I already tried    autoreconf aclocal -I  usr share libtool aclocal -I

User · Answer

A good answer for me was to install libtool   sudo apt-get install libtool

User · Answer

For mac it s simple   brew install libtool

User · Answer

In my case on macOS I solved it with  brew link libtool

User · Answer

For folks who ended up here and are using CYGWIN  install following packages in cygwin and re-run     cygwin32-libtool libtool libtool-debuginfo

User · Answer

Fixed it  I needed to run libtoolize in the directory  then re-run    aclocal autoheader

User · Answer

For people using Tiny Core Linux  you also need to install libtool-dev as it has the   m4 files needed for libtoolize

[c] error: Libtool library used but 'LIBTOOL' is undefined

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