How to write multiple conditions in Makefile.am with "else if"

Question

I want to compile my project with autoconf/automake. There are 2 conditions defined in my configure.ac

AM_CONDITIONAL(HAVE_CLIENT, test $enable-client -eq 1) AM_CONDITIONAL(HAVE_SERVER, test $enable-server -eq 1) 

I want to separate _LIBS from these 2 conditions in Makefile.am

if HAVE_CLIENT  libtest_LIBS = \      $(top_builddir)/libclient.la  else if HAVE_SERVER  libtest_LIBS = \      $(top_builddir)/libserver.la  else  libtest_LIBS =   endif 

but else if HAVE_SERVER does NOT work.

How to write 'else if' in makefile.am?

Answer 1

ptomato's code can also be written in a cleaner manner like:

 ifeq ($(TARGET_CPU),x86)   TARGET_CPU_IS_X86 := 1 else ifeq ($(TARGET_CPU),x86_64)   TARGET_CPU_IS_X86 := 1 else   TARGET_CPU_IS_X86 := 0 endif 

This doesn't answer OP's question but as it's the top result on google, I'm adding it here in case it's useful to anyone else.

Answer 2

I would accept ldav1s' answer if I were you, but I just want to point out that 'else if' can be written in terms of 'else's and 'if's in any language:

if HAVE_CLIENT   libtest_LIBS = $(top_builddir)/libclient.la else   if HAVE_SERVER     libtest_LIBS = $(top_builddir)/libserver.la   else     libtest_LIBS =    endif endif 

(The indentation is for clarity. Don't indent the lines, they won't work.)