On Friday 10 August 2007, Andreas Jellinghaus wrote:
> would be nice to get this working, but we need to set LTLIBLTDL or similar
> (or adjust the autoconf makefiles - I prefer not setting LIBS so we can
> add -lltdl only where needed and not on a global scale).
Attached.
> also we need to
> check if ltdl needs -ldl in term, might do so on some plattforms.
Why?
You don't create static library...
So if A uses B and you like with A, B will be loaded at runtime by A.
>
> thats one of the reason why I like pkg-config and friends: the library comes
> with info how to link it, including depending libraries, I don't have to
> guess and maintain knowledge about that in our code.
True... And libtool of all does not offer pkgconfig option...
> also we need to document what to do if ltdl is installed in some place.
> set CFLAGS and LIBS or add our own code to handle -L/foo/lib
> and -I/foo/include ? another reason where pkg-config is much easier and
> simply works. (but not an option here, the libtool guys don't ship ltdl with
> a
> pc file.)
Attached.
Alon.
---
Index: configure.in
===================================================================
--- configure.in (revision 3242)
+++ configure.in (working copy)
@@ -195,14 +195,26 @@
])
dnl use ltdl
-AC_CHECK_LIB([ltdl],lt_dlopen)
+if test -z "${LTLIB_LIBS}"; then
+ AC_ARG_VAR([LTLIB_CFLAGS], [C compiler flags for libltdl])
+ AC_ARG_VAR([LTLIB_LIBS], [linker flags for libltdl])
-saved_LIBS="$LIBS"
-LIBS="$saved_LIBS $LIBLTDL"
-AC_CHECK_HEADER([ltdl.h], [AC_MSG_RESULT([yes])],
- [ AC_MSG_ERROR([ltdl.h not found, please install libltdl and/or libtool]) ])
-LIBS="$saved_LIBS"
+ AC_CHECK_LIB(
+ [ltdl],
+ [lt_dlopen],
+ [LTLIB_LIBS="-lltdl"],
+ [AC_MSG_ERROR([ltdl1 not found, please install libltdl and/or
libtool])]
+ )
+ AC_CHECK_HEADER(
+ [ltdl.h],
+ ,
+ [AC_MSG_ERROR([ltdl.h not found, please install libltdl and/or
libtool])]
+ )
+fi
+AC_SUBST([LTLIB_CFLAGS])
+AC_SUBST([LTLIB_LIBS])
+
OPENCT_MSG=no
if test "x${ENABLE_OPENCT}" = "xyes"; then
PKG_CHECK_MODULES(OPENCT, [libopenct], [
Index: src/tools/Makefile.am
===================================================================
--- src/tools/Makefile.am (revision 3242)
+++ src/tools/Makefile.am (working copy)
@@ -22,7 +22,7 @@
pkcs15_tool_SOURCES = pkcs15-tool.c util.c $(top_srcdir)/src/common/my_getopt.c
pkcs15_tool_LDADD = $(OPENSSL_LIBS)
pkcs11_tool_SOURCES = pkcs11-tool.c util.c $(top_srcdir)/src/common/my_getopt.c
-pkcs11_tool_LDADD = ../pkcs11/libpkcs11.la $(OPENSSL_LIBS) $(LTLIBLTDL)
+pkcs11_tool_LDADD = ../pkcs11/libpkcs11.la $(OPENSSL_LIBS) $(LTLIB_LIBS)
pkcs15_crypt_SOURCES = pkcs15-crypt.c util.c
$(top_srcdir)/src/common/my_getopt.c
pkcs15_crypt_LDADD = $(OPENSSL_LIBS)
cryptoflex_tool_SOURCES = cryptoflex-tool.c util.c
$(top_srcdir)/src/common/my_getopt.c
Index: src/pkcs11/Makefile.am
===================================================================
--- src/pkcs11/Makefile.am (revision 3242)
+++ src/pkcs11/Makefile.am (working copy)
@@ -33,7 +33,7 @@
pkcs11_spy_la_SOURCES = pkcs11-spy.c pkcs11-display.c pkcs11-display.h
pkcs11_spy_la_LDFLAGS = -module -avoid-version
-pkcs11_spy_la_LIBADD = $(OPENSSL_LIBS) libpkcs11.la $(LTLIBLTDL)
+pkcs11_spy_la_LIBADD = $(OPENSSL_LIBS) libpkcs11.la $(LTLIB_LIBS)
include_HEADERS = pkcs11.h
Index: src/tests/Makefile.am
===================================================================
--- src/tests/Makefile.am (revision 3242)
+++ src/tests/Makefile.am (working copy)
@@ -6,7 +6,7 @@
EXTRA_DIST = Makefile.mak
-AM_LDFLAGS = @LIBOPENSC@ $(LTLIBLTDL)
+AM_LDFLAGS = @LIBOPENSC@ $(LTLIB_LIBS)
AM_CFLAGS = -I$(top_srcdir)/src/common
noinst_PROGRAMS = base64 lottery p15dump pintest prngtest
Index: src/libopensc/Makefile.am
===================================================================
--- src/libopensc/Makefile.am (revision 3242)
+++ src/libopensc/Makefile.am (working copy)
@@ -37,7 +37,7 @@
pkcs15-actalis.c pkcs15-atrust-acos.c pkcs15-tccardos.c pkcs15-piv.c \
compression.c p15card-helper.c
libopensc_la_LDFLAGS = -version-info
@OPENSC_LT_CURRENT@:@OPENSC_LT_REVISION@:@OPENSC_LT_AGE@
-libopensc_la_LIBADD = @LIBSCCONF@ $(OPENSSL_LIBS) $(OPENCT_LIBS) $(PCSC_LIBS)
$(LTLIBLTDL)
+libopensc_la_LIBADD = @LIBSCCONF@ $(OPENSSL_LIBS) $(OPENCT_LIBS) $(PCSC_LIBS)
$(LTLIB_LIBS)
include_HEADERS = \
opensc.h pkcs15.h emv.h \
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