From 02db33ed7c37da05a0418f25d310fc6952686aa8 Mon Sep 17 00:00:00 2001
From: Martin Szulecki
Date: Wed, 21 Mar 2012 17:58:55 +0100
Subject: pkg-config: Dynamically inject required SSL provider dependencies
 into .pc file

---
 configure.ac               | 13 ++++++++++---
 libimobiledevice-1.0.pc.in |  2 +-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2236a5f..01fd702 100644
--- a/configure.ac
+++ b/configure.ac
@@ -124,7 +124,8 @@ AC_ARG_ENABLE([openssl],
             [use_openssl=no],
             [use_openssl=yes])
 
-PKG_CHECK_MODULES(openssl, openssl >= 0.9.8, have_openssl=yes, have_openssl=no)
+pkg_req_openssl="openssl >= 0.9.8"
+PKG_CHECK_MODULES(openssl, $pkg_req_openssl, have_openssl=yes, have_openssl=no)
 if test "x$have_openssl" = "xyes"; then
   if test "x$use_openssl" != "xyes"; then
     enable_openssl=no
@@ -143,11 +144,17 @@ if test "x$enable_openssl" = "xyes"; then
   AC_SUBST(openssl_CFLAGS)
   AC_SUBST(openssl_LIBS)
   ssl_provider="OpenSSL";
+  ssl_requires="$pkg_req_openssl"
+  AC_SUBST(ssl_requires)
 else
-  PKG_CHECK_MODULES(libgnutls, gnutls >= 2.2.0)
+  pkg_req_gnutls="gnutls >= 2.2.0"
+  pkg_req_libtasn1="libtasn1 >= 1.1"
+  PKG_CHECK_MODULES(libgnutls, $pkg_req_gnutls)
   AC_CHECK_LIB(gcrypt, gcry_control, [AC_SUBST(libgcrypt_LIBS,[-lgcrypt])], [AC_MSG_ERROR([libgcrypt is required to build libimobiledevice with GnuTLS])])
-  PKG_CHECK_MODULES(libtasn1, libtasn1 >= 1.1)
+  PKG_CHECK_MODULES(libtasn1, $pkg_req_libtasn1)
   ssl_provider="GnuTLS"
+  ssl_requires="$pkg_req_gnutls $pkg_req_libtasn1"
+  AC_SUBST(ssl_requires)
 fi
 
 AC_ARG_ENABLE([dev-tools],
diff --git a/libimobiledevice-1.0.pc.in b/libimobiledevice-1.0.pc.in
index 04b5bf6..c21cc1d 100644
--- a/libimobiledevice-1.0.pc.in
+++ b/libimobiledevice-1.0.pc.in
@@ -6,7 +6,7 @@ includedir=@includedir@
 Name: libimobiledevice
 Description: A library to communicate with services running on Apple iPhone/iPod Touch devices.
 Version: @VERSION@
-Requires: libplist >= 0.12 libusbmuxd >= 0.1.0 gnutls >= 1.6.3 libtasn1 >= 1.1
+Requires: libplist >= 0.12 libusbmuxd >= 0.1.0 @ssl_requires@
 Libs: -L${libdir} -limobiledevice
 Cflags: -I${includedir}
 
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