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Use AM_PROG_AR to improve portability

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Turning on warnings in Automake makes it complain about not using the
AM_PROG_AR macro. The AM_PROG_AR macro is required when LIBRARIES or
LTLIBRARIES is used.

The macro looks for an archiver and wraps it in the ar-lib script which
is automatically generated so Git should ignore it.

It makes the custom check for 'ar' obsolete so it is removed.

The AM_PROG_AR macro was added in Automake 1.11.2 thus the minimum
Automake version is increased.
This commit is contained in:
cypherpunks 2016-12-15 16:15:42 +00:00 • committed by Nick Mathewson
parent dee0b869c9
commit a1c0ebc3eb
2 changed files with 2 additions and 4 deletions
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1
.gitignore vendored
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@ -38,6 +38,7 @@ uptime-*.json
/Makefile
/Makefile.in
/aclocal.m4
/ar-lib
/autom4te.cache
/build-stamp
/compile

5
configure.ac
View file

@ -171,10 +171,7 @@ AC_ARG_ENABLE(libscrypt,
AS_HELP_STRING(--disable-libscrypt, [do not attempt to use libscrypt]))
dnl check for the correct "ar" when cross-compiling
AN_MAKEVAR([AR], [AC_PROG_AR])
AN_PROGRAM([ar], [AC_PROG_AR])
AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [ar])])
AC_PROG_AR
AM_PROG_AR
dnl Check whether the above macro has settled for a simply named tool even
dnl though we're cross compiling. We must do this before running AC_PROG_CC,