[totem-pl-parser] build: Check for optional libgcrypt

[Bastien Nocera <hadess src gnome org>]

commit 145065a0edfb4821844100f5f1ebcf8f0f591152
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Feb 20 01:30:16 2012 +0100

    build: Check for optional libgcrypt

 configure.in                     |   27 +++++++++++++++++++++++++++
 totem-plparser-uninstalled.pc.in |    3 ++-
 totem-plparser.pc.in             |    3 ++-
 3 files changed, 31 insertions(+), 2 deletions(-)
---
diff --git a/configure.in b/configure.in
index ce233c1..1b8dc04 100644
--- a/configure.in
+++ b/configure.in
@@ -152,6 +152,28 @@ if test "x$enable_libarchive" != "xno" ; then
 fi
 AC_SUBST(ARCHIVE, $ARCHIVE)
 
+################################
+# Checking libgcrypt dependency
+################################
+
+AM_PATH_LIBGCRYPT([],[have_libgcrypt=yes],[have_libgcrypt=no])
+
+ARCHIVE=""
+AC_ARG_ENABLE(libgcrypt,
+	      AS_HELP_STRING([--enable-libgcrypt],
+			     [Enable libgcrypt support (default is auto).]),
+			     [],
+			     [enable_libgcrypt=auto])
+if test "x$enable_libgcrypt" != "xno" ; then
+	if test "x$enable_libgcrypt" = "xyes" -a "x$have_libgcrypt" = "xno" ; then
+		AC_MSG_ERROR([Libgcrypt support requested but not available.])
+	fi
+	if test "x$have_libgcrypt" = "xyes" ; then
+		AC_DEFINE(HAVE_LIBGCRYPT, 1, [libgcrypt available in the system])
+		use_libgcrypt=yes
+	fi
+fi
+
 dnl Check for packages for building libtotem-plparser.la
 PKG_CHECK_MODULES(TOTEM_PLPARSER, [$pkg_modules])
 AC_SUBST(TOTEM_PLPARSER_CFLAGS)
@@ -213,6 +235,11 @@ if test "x$have_libarchive" = "xyes"; then
 else
 	AC_MSG_NOTICE([   ISO detection with libarchive disabled])
 fi
+if test "x$use_libgcrypt" = "xyes"; then
+	AC_MSG_NOTICE([** AmazonAMZ decoding with libgcrypt enabled])
+else
+	AC_MSG_NOTICE([   AmazonAMZ decoding with libgcrypt disabled])
+fi
 
 echo "
 $gmime_message
diff --git a/totem-plparser-uninstalled.pc.in b/totem-plparser-uninstalled.pc.in
index ebb0618..021fab1 100644
--- a/totem-plparser-uninstalled.pc.in
+++ b/totem-plparser-uninstalled.pc.in
@@ -11,4 +11,5 @@ Version: @VERSION@
 Requires: glib-2.0 gobject-2.0 gio-2.0
 Requires.private: gthread-2.0 libxml-2.0 @GMIME@ @QUVI@
 Libs: ${pc_top_builddir}/${pcfiledir}/plparse/libtotem-plparser.la
-Cflags: -I${pc_top_builddir}/${pcfiledir}/plparse
+Libs.private: @LIBGCRYPT_LIBS@
+Cflags: -I${pc_top_builddir}/${pcfiledir}/plparse @LIBGCRYPT_CFLAGS@
diff --git a/totem-plparser.pc.in b/totem-plparser.pc.in
index f789063..40eab7e 100644
--- a/totem-plparser.pc.in
+++ b/totem-plparser.pc.in
@@ -11,5 +11,6 @@ Version: @VERSION@
 Requires: glib-2.0 gobject-2.0 gio-2.0
 Requires.private: gthread-2.0 libxml-2.0 @GMIME@ @QUVI@ @ARCHIVE@
 Libs: -L${libdir} -ltotem-plparser
-Cflags: -I${includedir}/totem-pl-parser/1/plparser
+Libs.private: @LIBGCRYPT_LIBS@
+Cflags: -I${includedir}/totem-pl-parser/1/plparser @LIBGCRYPT_CFLAGS@
 uselibcamel= USEGMIME@