cmake-utils.eclass: Enable BUILD_SHARED_LIBS by default in EAPI >= 7

* Many upstreams build static libraries by default, as this is
  simpler for distribution. Developers can still override this
  variable if required.

  Examples:
  https://github.com/pezmaster31/bamtools/blob/master/CMakeLists.txt#L64

Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

diff --git a/eclass/cmake-utils.eclass b/eclass/cmake-utils.eclass
index 30ee97b99a36800d2b8ec5fd70b18d2c3319e339..43397aad8c288c3d0ec42b7a830edf467db71447 100644 (file)
--- a/eclass/cmake-utils.eclass
+++ b/eclass/cmake-utils.eclass
@@ -630,6 +630,7 @@ cmake-utils_src_configure() {
        if [[ ${EAPI} != [56] ]]; then
                cat >> "${common_config}" <<- _EOF_ || die
                        SET (CMAKE_INSTALL_DOCDIR "${EPREFIX}/usr/share/doc/${PF}" CACHE PATH "")
+                       SET (BUILD_SHARED_LIBS ON CACHE BOOLEAN "")
                _EOF_
        fi