Force project includes before system includes (fixes #763)

From time to time, someone has a problem because their build is
grabbing an old version of qpdf header files that are installed
somewhere on their system. I am hoping this will put an end to that.

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index add878fb..8e7680ed 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-09-14  Jay Berkenbilt  <ejb@ql.org>
+
+        * Set CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE ON in cmake to
+        (hopefully) solve the problem of older installed qpdf headers
+        interfering with building qpdf from source. Fixes #763.
+
 2022-09-12  Jay Berkenbilt  <ejb@ql.org>
 
         * Add some missing DLL exports that only affect the Windows build.