[source] tools: make libressl build depend on pkg-config

[LEDE Commits]

jow pushed a commit to source.git, branch master:
https://git.lede-project.org/bfb2512a4e3e6b70ed62c73274d6f72317b1c86d

commit bfb2512a4e3e6b70ed62c73274d6f72317b1c86d
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Thu Jan 5 14:12:31 2017 +0100

    tools: make libressl build depend on pkg-config
    
    Ensure that pkg-config is available before building libressl as we're going
    to need it for setting proper link flags in utilities requiring libcrypto.
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 tools/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/Makefile b/tools/Makefile
index 44b855c..82f220d 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -70,6 +70,7 @@ $(curdir)/findutils/compile := $(curdir)/bison/install
 $(curdir)/gengetopt/compile := $(curdir)/libtool/install
 $(curdir)/patchelf/compile := $(curdir)/libtool/install
 $(curdir)/dosfstools/compile := $(curdir)/autoconf/install $(curdir)/automake/install
+$(curdir)/libressl/compile := $(curdir)/pkg-config/install
 $(curdir)/mkimage/compile += $(curdir)/libressl/install
 $(curdir)/firmware-utils/compile += $(curdir)/libressl/install
 $(curdir)/cmake/compile += $(curdir)/libressl/install