2 files changed, 5 insertions, 1 deletions
diff --git a/scripts/cppcheck.sh b/scripts/cppcheck.sh
index 1cfd61b5..4e76db94 100755
--- a/scripts/cppcheck.sh
+++ b/scripts/cppcheck.sh
@@ -22,7 +22,7 @@ for dirname in ${TOPDIR}/src; do
     echo "Running cppcheck on $dirname... (can be long)"
     if ! cppcheck --inline-suppr --template='{file}:{line},{severity},{id},{message}' \
         --enable=all --inconclusive --std=posix \
-        -DCPPCHECK -D__cplusplus=201103L -DACCEPT_USE_OF_DEPRECATED_PROJ_API_H -DNAN \
+        -DCPPCHECK -D__cplusplus=201103L -DNAN \
         -I${TOPDIR}/src -I${TOPDIR}/include \
         "$dirname" \
         -j 8 >>${LOG_FILE} 2>&1 ; then
diff --git a/src/proj.h b/src/proj.h
index 0597db26..e2c47a17 100644
--- a/src/proj.h
+++ b/src/proj.h
@@ -119,6 +119,10 @@
 
 #include <stddef.h>  /* For size_t */
 
+#ifdef ACCEPT_USE_OF_DEPRECATED_PROJ_API_H
+  #error "The proj_api.h header has been removed from PROJ with version 8.0.0"
+#endif
+
 #ifdef PROJ_RENAME_SYMBOLS
 #include "proj_symbol_rename.h"
 #endif