List pkg-config as a build requirement in INSTALL.md

fixes #12144

Signed-off-by: Gunnar Beutner <gunnar.beutner@netways.de>

diff --git a/INSTALL.md b/INSTALL.md
index 5cc0065336b351c0473fb1a76e97579d95a1d817..a598b9d95859c2bbb2aab40223e67dfd7f172b18 100644 (file)
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -21,6 +21,7 @@ parentheses):
 * cmake
 * GNU make (make)
 * C++ compiler (gcc-c++ >= 4.7 on RHEL/SUSE, build-essential on Debian, alternatively clang++)
+* pkg-config
 * OpenSSL library and header files >= 0.9.8 (openssl-devel on RHEL, libopenssl1-devel on SLES11,
 libopenssl-devel on SLES12, libssl-dev on Debian)
 * Boost library and header files (boost-devel on RHEL, libboost-all-dev on Debian)