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add a --with-login-program configure argument

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Saves messing around with LOGIN_PROGRAM env var, which come
packaging environments make hard to do during configure phase.
This commit is contained in:
Damien Miller 2016-08-16 14:47:34 +10:00
parent 8bd81e1596
commit a1cc637e7e
1 changed files with 17 additions and 5 deletions
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22
configure.ac
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@ -80,15 +80,27 @@ if test -z "$AR" ; then
fi
# Use LOGIN_PROGRAM from environment if possible
if test ! -z "$LOGIN_PROGRAM" ; then
AC_DEFINE_UNQUOTED([LOGIN_PROGRAM_FALLBACK], ["$LOGIN_PROGRAM"],
[If your header files don't define LOGIN_PROGRAM,
then use this (detected) from environment and PATH])
login_program=$LOGIN_PROGRAM
# Allow override on command-line
AC_ARG_WITH([login-program],
[ --with-login-program=path Specify login program name ],
[
if test "x$withval" != "xno" && \
test "x$withval" != "xyes" ; then
login_program=$withval
fi
]
)
# If no login_program specified then find one using the path.
if test ! -z "$login_program" ; then
AC_DEFINE_UNQUOTED([LOGIN_PROGRAM_FALLBACK], ["$login_program"],
[login program to use if system headers lack LOGIN_PROGRAM])
else
# Search for login
AC_PATH_PROG([LOGIN_PROGRAM_FALLBACK], [login])
if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
AC_DEFINE_UNQUOTED([LOGIN_PROGRAM_FALLBACK], ["$LOGIN_PROGRAM_FALLBACK"])
AC_DEFINE_UNQUOTED([LOGIN_PROGRAM_FALLBACK],
["$LOGIN_PROGRAM_FALLBACK"])
fi
fi