diff --git a/npa/configure.ac b/npa/configure.ac
index 3d89a86..ada0638 100644
--- a/npa/configure.ac
+++ b/npa/configure.ac
@@ -27,9 +27,20 @@ AC_PROG_INSTALL
 AC_PROG_SED
 AM_PROG_CC_C_O
 PKG_PROG_PKG_CONFIG
-AC_PATH_PROG(HELP2MAN, help2man, false // No help2man //)
-AC_PATH_PROG(GENGETOPT, gengetopt, false // No gengetopt //)
-AC_PATH_PROG(GENGETOPT, doxygen, false // No gengetopt //)
+AC_ARG_VAR([HELP2MAN],
+           [absolute path to help2man used for man page generation of npa-tool])
+AC_PATH_PROG(HELP2MAN, help2man, not found)
+if test ! -r src/npa-tool.1 -a "${HELP2MAN}" = "not found"
+then
+    AC_MSG_ERROR([Need help2man to generate man page for npa-tool])
+fi
+AC_ARG_VAR([GENGETOPT],
+           [absolute path to gengetopt used for command line parsing of npa-tool])
+AC_PATH_PROG(GENGETOPT, gengetopt, not found)
+if test ! -r src/cmdline.h -a "${GENGETOPT}" = "not found"
+then
+    AC_MSG_ERROR([Need gengetopt for parsing command line of npa-tool])
+fi
 
 # If you need to see the details, just run make V=1.
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
@@ -125,6 +136,10 @@ OPENSSL_LIBS:         ${OPENSSL_LIBS}
 OPENPACE_CFLAGS:      ${OPENPACE_CFLAGS}
 OPENPACE_LIBS:        ${OPENPACE_LIBS}
 
+
+HELP2MAN:             ${HELP2MAN}
+GENGETOPT:            ${GENGETOPT}
+
 EOF
 
 AC_CONFIG_FILES([
diff --git a/pcsc-relay/configure.ac b/pcsc-relay/configure.ac
index d03e6c6..1308899 100644
--- a/pcsc-relay/configure.ac
+++ b/pcsc-relay/configure.ac
@@ -13,8 +13,20 @@ AM_PROG_CC_C_O
 AM_PATH_PYTHON
 AC_PROG_SED
 PKG_PROG_PKG_CONFIG
-AC_PATH_PROG(HELP2MAN, help2man, false // No help2man //)
-AC_PATH_PROG(GENGETOPT, gengetopt, false // No gengetopt //)
+AC_ARG_VAR([HELP2MAN],
+           [absolute path to help2man used for man page generation of pcsc-relay])
+AC_PATH_PROG(HELP2MAN, help2man, not found)
+if test ! -r src/pcsc-relay.1 -a "${HELP2MAN}" = "not found"
+then
+    AC_MSG_ERROR([Need help2man to generate man page for pcsc-relay])
+fi
+AC_ARG_VAR([GENGETOPT],
+           [absolute path to gengetopt used for command line parsing of pcsc-relay])
+AC_PATH_PROG(GENGETOPT, gengetopt, not found)
+if test ! -r src/cmdline.h -a "${GENGETOPT}" = "not found"
+then
+    AC_MSG_ERROR([Need gengetopt for parsing command line of pcsc-relay])
+fi
 
 # If you need to see the details, just run make V=1.
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
@@ -91,6 +103,10 @@ LIBNFC_LIBS:          ${LIBNFC_LIBS}
 
 OpenPICC device:      ${piccdev}
 
+
+HELP2MAN:             ${HELP2MAN}
+GENGETOPT:            ${GENGETOPT}
+
 EOF