Make the PAM module build optional.

Originally based on patch by: Jasper Lievisse Adriaanse

3 files changed, 42 insertions, 7 deletions

diff --git a/configure.in b/configure.in
index 2f00a33..d798f9c 100644
--- a/configure.in
+++ b/configure.in
@@ -82,6 +82,29 @@ AC_ARG_ENABLE([ld-version-script],
               [ : ] )
 AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 
+dnl PAM support
+PAM_LIBS=
+AC_ARG_ENABLE([pam],
+  AS_HELP_STRING([--enable-pam],[build PAM module @<:@default=check@:>@]),
+  [],
+  [enable_pam=check])
+if test "$enable_pam" != "no"; then
+  if test "$enable_pam" = "check"; then
+      AC_CHECK_LIB([pam], [pam_start], [enable_pam=yes], [enable_pam=no])
+  else
+      fail=0
+      AC_CHECK_LIB([pam], [pam_start], [], [fail=1])
+      test $fail = 1 &&
+        AC_MSG_ERROR([You must install the PAM development package in order to compile libpwquality])
+  fi
+fi
+
+if test "$enable_pam" = "yes"; then
+  PAM_LIBS="${PAM_LIBS} -lpam"
+fi
+AC_SUBST(PAM_LIBS)
+AM_CONDITIONAL(HAVE_PAM, test "$enable_pam" = "yes")
+
 dnl options and defaults
 AC_ARG_WITH(securedir,
         AS_HELP_STRING([--with-securedir=DIR],[path to location of PAMs @<:@default=$libdir/security@:>@]),
diff --git a/doc/man/Makefile.am b/doc/man/Makefile.am
index 1d00097..5576827 100644
--- a/doc/man/Makefile.am
+++ b/doc/man/Makefile.am
@@ -1 +1,5 @@
-dist_man_MANS = pwmake.1 pwscore.1 pam_pwquality.8 pwquality.conf.5
+dist_man_MANS = pwmake.1 pwscore.1 pwquality.conf.5
+
+if HAVE_PAM
+dist_man_MANS += pam_pwquality.8
+endif
diff --git a/src/Makefile.am b/src/Makefile.am
index 2f37c1e..9af180d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -29,11 +29,15 @@ libpwquality_la_LIBADD = @LIBCRACK@
 
 libpwquality_la_SOURCES = generate.c check.c settings.c error.c
 
-pam_pwquality_la_LDFLAGS = -no-undefined -avoid-version -module
-
-pam_pwquality_la_LIBADD = libpwquality.la -lpam
-
-pam_pwquality_la_SOURCES = pam_pwquality.c
+if HAVE_PAM
+  pam_pwquality_la_LDFLAGS = -no-undefined -avoid-version -module
+  pam_pwquality_la_LIBADD = libpwquality.la @PAM_LIBS@
+  pam_pwquality_la_SOURCES = pam_pwquality.c
+else
+  pam_pwquality_la_LDFLAGS =
+  pam_pwquality_la_LIBADD =
+  pam_pwquality_la_SOURCES =
+endif
 
 pwscore_SOURCES = pwscore.c
 
@@ -45,7 +49,11 @@ pwmake_LDADD = libpwquality.la
 
 lib_LTLIBRARIES = libpwquality.la
 
-securelib_LTLIBRARIES = pam_pwquality.la
+if HAVE_PAM
+  securelib_LTLIBRARIES = pam_pwquality.la
+else
+  securelib_LTLIBRARIES =
+endif
 
 secureconf_DATA = pwquality.conf