From: Pierre Ossman <ossman@cendio.se>
Date: Thu, 1 Sep 2022 09:30:51 +0000 (+0200)
Subject: Add fallback for finding gmp
X-Git-Tag: v1.12.90~16^2~2
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=ab8626a54db2d381404471aa296f742144317f62;p=tigervnc.git

Add fallback for finding gmp

pkg-config support was added very recently to gmp, so a lot of platforms
we want to support won't find gmp this way.
---

diff --git a/cmake/Modules/FindGmp.cmake b/cmake/Modules/FindGmp.cmake
index c59f2219..d0ccd3cd 100644
--- a/cmake/Modules/FindGmp.cmake
+++ b/cmake/Modules/FindGmp.cmake
@@ -2,7 +2,11 @@ find_package(PkgConfig)
 
 if (PKG_CONFIG_FOUND)
   pkg_check_modules(GMP gmp)
-else()
+endif()
+
+# Only very recent versions of gmp has pkg-config support, so we have to
+# fall back on a more classical search
+if(NOT GMP_FOUND)
   find_path(GMP_INCLUDE_DIRS NAMES gmp.h PATH_SUFFIXES)
   find_library(GMP_LIBRARIES NAMES gmp)
   find_package_handle_standard_args(GMP DEFAULT_MSG GMP_LIBRARIES GMP_INCLUDE_DIRS)