Install build tools before running fdb_c_app test

build/cmake/package_tester/modules/deb.sh

@@ -6,6 +6,10 @@ then
 
    source ${source_dir}/modules/util.sh
 
+   install_build_tools() {
+       apt-get -y install cmake gcc
+   }
+
    install() {
        local __res=0
        enterfun

build/cmake/package_tester/modules/rpm.sh

@@ -8,6 +8,10 @@ then
 
    conf_save_extension=".rpmsave"
 
+   install_build_tools() {
+       yum -y install cmake gcc
+   }
+
    install() {
        local __res=0
        enterfun

build/cmake/package_tester/modules/tests.sh

@@ -69,6 +69,7 @@ then
        successOr "Loading python bindings failed"
 
        # Test cmake and pkg-config integration: https://github.com/apple/foundationdb/issues/1483
+       install_build_tools
        rm -rf build-fdb_c_app
        mkdir build-fdb_c_app
        pushd build-fdb_c_app