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Diffstat (limited to 'm4/remctl.m4')
| -rw-r--r-- | m4/remctl.m4 | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/m4/remctl.m4 b/m4/remctl.m4 new file mode 100644 index 0000000..2941f19 --- /dev/null +++ b/m4/remctl.m4 @@ -0,0 +1,69 @@ +dnl remctl.m4 -- Find the compiler and linker flags for remctl. +dnl $Id$ +dnl +dnl This file provides RRA_LIB_REMCTL, which finds the compiler and linker +dnl flags for linking with remctl libraries and sets the substitution +dnl variables REMCTL_CPPFLAGS, REMCTL_LDFLAGS, and REMCTL_LIBS. Also provides +dnl RRA_LIB_REMCTL_SET to set CPPFLAGS, LDFLAGS, and LIBS to include the +dnl remctl libraries; RRA_LIB_REMCTL_SWITCH to do the same but save the +dnl current values first; and RRA_LIB_REMCTL_RESTORE to restore those settings +dnl to before the last RRA_LIB_REMCTL_SWITCH. +dnl +dnl This macro depends on RRA_ENABLE_REDUCED_DEPENDS and RRA_LIB_GSSAPI. +dnl +dnl Written by Russ Allbery <rra@stanford.edu> +dnl Copyright 2008 Board of Trustees, Leland Stanford Jr. University +dnl See LICENSE for licensing terms. + +dnl Set CPPFLAGS, LDFLAGS, and LIBS to values including the Kerberos v5 +dnl settings. +AC_DEFUN([RRA_LIB_REMCTL_SET], +[CPPFLAGS="$REMCTL_CPPFLAGS $CPPFLAGS" + LDFLAGS="$REMCTL_LDFLAGS $LDFLAGS" + LIBS="$REMCTL_LIBS $LIBS"]) + +dnl Save the current CPPFLAGS, LDFLAGS, and LIBS settings and switch to +dnl versions that include the Kerberos v5 flags. Used as a wrapper, with +dnl RRA_LIB_REMCTL_RESTORE, around tests. +AC_DEFUN([RRA_LIB_REMCTL_SWITCH], +[rra_remctl_save_CPPFLAGS="$CPPFLAGS" + rra_remctl_save_LDFLAGS="$LDFLAGS" + rra_remctl_save_LIBS="$LIBS" + RRA_LIB_REMCTL_SET]) + +dnl Restore CPPFLAGS, LDFLAGS, and LIBS to their previous values (before +dnl RRA_LIB_REMCTL_SWITCH was called). +AC_DEFUN([RRA_LIB_REMCTL_RESTORE], +[CPPFLAGS="$rra_remctl_save_CPPFLAGS" + LDFLAGS="$rra_remctl_save_LDFLAGS" + LIBS="$rra_remctl_save_LIBS"]) + +dnl Set REMCTL_CPPFLAGS and REMCTL_LDFLAGS based on rra_remctl_root. +AC_DEFUN([_RRA_LIB_REMCTL_PATHS], +[AS_IF([test x"$rra_remctl_root" != x], + [AS_IF([test x"$rra_remctl_root" != x/usr], + [REMCTL_CPPFLAGS="-I${rra_remctl_root}/include"]) + REMCTL_LDFLAGS="-L${rra_remctl_root}/lib"])]) + +dnl The main macro. +AC_DEFUN([RRA_LIB_REMCTL], +[AC_REQUIRE([RRA_ENABLE_REDUCED_DEPENDS]) +rra_remctl_root= +REMCTL_CPPFLAGS= +REMCTL_LDFLAGS= +REMCTL_LIBS= +AC_SUBST([REMCTL_CPPFLAGS]) +AC_SUBST([REMCTL_LDFLAGS]) +AC_SUBST([REMCTL_LIBS]) +AC_ARG_WITH([remctl], + [AC_HELP_STRING([--with-remctl=DIR], + [Location of remctl headers and libraries])], + [AS_IF([test x"$withval" != xyes && test x"$withval" != xno], + [rra_remctl_root="$withval"])]) +_RRA_LIB_REMCTL_PATHS +AS_IF([test x"$rra_reduced_depends" = xtrue], + [REMCTL_LIBS="-lremctl"], + [RRA_LIB_GSSAPI + REMCTL_CPPFLAGS="$REMCTL_CPPFLAGS $GSSAPI_CPPFLAGS" + REMCTL_LDFLAGS="$REMCTL_LDFLAGS $GSSAPI_LDFLAGS" + REMCTL_LIBS="-lremctl $GSSAPI_LIBS"])]) |