From d5e8195b504f9b024d4ffe4047d076633bf4e230 Mon Sep 17 00:00:00 2001
From: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Date: Tue, 29 Oct 2013 16:32:35 +0400
Subject: [PATCH] autotools tuning

---
 Makefile.am  | 21 ++++++++++-----------
 autogen.sh   |  1 +
 configure.ac | 46 +++++++++++++++++++++++++++++++++++++++++++---
 3 files changed, 54 insertions(+), 14 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index dc23266..e83b179 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,22 +3,21 @@
 AUTOMAKE_OPTIONS = foreign
 ACLOCAL_AMFLAGS = -I m4
 
-LIBS = @LIBS@
-pamlibdir = @pamlibdir@
-
 noinst_HEADERS = pcsc_cr.h token.h
-noinst_PROGRAMS = test_cr
-test_cr_DEPENDENCIES = pam_pcsc_cr.la
+
+EXTRA_LTLIBRARIES = libpcsc_cr.la
+libpcsc_cr_la_SOURCES = crypto.c pcsc_cr.c ykneo.c
+EXTRA_libpcsc_cr_la_SOURCES = ossl_crypto.c tom_prypto.c
+libpcsc_cr_la_LIBADD = @CRYPTO_OBJS@
+libpcsc_cr_la_DEPENDENCIES = @CRYPTO_OBJS@
 
 lib_LTLIBRARIES = pam_pcsc_cr.la
-EXTRA_pam_pcsc_cr_la_SOURCES = ossl_crypto.c tom_prypto.c
-pam_pcsc_cr_la_SOURCES = crypto.c pcsc_cr.c ykneo.c
 pam_pcsc_cr_la_LDFLAGS = -module -avoid-version
-pam_pcsc_cr_la_LIBADD = @CRYPTO_OBJS@
-pam_pcsc_cr_la_DEPENDENCIES = @CRYPTO_OBJS@
+pam_pcsc_cr_la_LIBADD = libpcsc_cr.la
+
+check_PROGRAMS = test_cr
+test_cr_LDADD = libpcsc_cr.la
 
 EXTRA_DIST = autogen.sh
 
 TESTS = test_cr
-
-CLEANFILES = test_cr
diff --git a/autogen.sh b/autogen.sh
index 08240fd..bf02dc5 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,2 +1,3 @@
 #!/bin/sh
+mkdir -p m4
 autoreconf -i -f
diff --git a/configure.ac b/configure.ac
index e9fd2f3..d4b5562 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,11 +29,51 @@ AC_ARG_WITH(pcsclite-lib-path,
 	[PCSC_LIBS="-L $withval -lpcsclite"],
 	[])
 
-AC_SUBST(PCSC_LIBS)
-AC_SUBST(PCSC_CFLAGS)
-CFLAGS="$PCSC_CFLAGS $CFLAGS"
+CPPFLAGS="$PCSC_CFLAGS $CPPFLAGS"
 LIBS="$PCSC_LIBS $LIBS"
 
+PKG_CHECK_MODULES([OPENSSL], [libcrypto], [], [:])
+AC_ARG_WITH(openssl-include-path,
+	[  --with-openssl-include-path=PATH path to openssl includes],
+	[OPENSSL_CFLAGS="-I $withval"],
+	[])
+AC_ARG_WITH(openssl-lib-path,
+	[  --with-openssl-lib-path=PATH path to openssl libs],
+	[OPENSSL_LIBS="-L $withval -lcrypto"],
+	[])
+AS_IF([test "x$OPENSSL_CFLAGS" != "x" -o "x$OPENSSL_LIBS" != "x" ], [
+  use_openssl=yes
+])
+CPPFLAGS="$OPENSSL_CFLAGS $CPPFLAGS"
+LIBS="$OPENSSL_LIBS $LIBS"
+
+AS_IF([test "x$use_openssl" != "xyes"], [
+  PKG_CHECK_MODULES([TOMCRYPT], [libtomcrypt], [], [:])
+])
+AC_ARG_WITH(libtomcrypt-include-path,
+	[  --with-libtomcrypt-include-path=PATH path to libtomcrypt includes],
+	[TOMCRYPT_CFLAGS="-I $withval"],
+	[])
+AC_ARG_WITH(libtomcrypt-lib-path,
+	[  --with-libtomcrypt-lib-path=PATH path to libtomcrypt libs],
+	[TOMCRYPT_LIBS="-L $withval -ltomcrypt"],
+	[])
+AS_IF([test "x$TOMCRYPT_CFLAGS" != "x" -o "x$TOMCRYPT_LIBS" != "x" ], [
+  use_tomcrypt=yes
+])
+CPPFLAGS="$TOMCRYPT_CFLAGS $CPPFLAGS"
+LIBS="$TOMCRYPT_LIBS $LIBS"
+
+AS_IF([test "x$use_openssl" != "xyes" -a "x$use_tomcrypt" != "xyes"], [
+  AC_MSG_ERROR([[Neither openssl nor tomcrypt libraries present]])
+])
+
+AS_IF([test "x$use_openssl" = "xyes"], [
+  CRYPTO_OBJS+=ossl_crypto.lo
+])
+AS_IF([test "x$use_tomcrypt" = "xyes"], [
+  CRYPTO_OBJS+=tom_crypto.lo
+])
 AC_SUBST(CRYPTO_OBJS)
 
 dnl Checks for header files.
-- 
2.39.2