macro redefined in fwrite and fread (#6384)

* use directive to prevent double definition * add if to freadR --------- Co-authored-by: Michael Chirico <chiricom@google.com>
Rdatatable · Aug 20, 2024 · f8f9df4 · f8f9df4
1 parent bcf5843
commit f8f9df4
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/src/freadR.h b/src/freadR.h
@@ -1,6 +1,8 @@
 #ifndef dt_FREAD_R_H
 #define dt_FREAD_R_H
-#define STRICT_R_HEADERS   // https://cran.r-project.org/doc/manuals/r-devel/R-exts.html#Error-handling
+#ifndef STRICT_R_HEADERS
+  #define STRICT_R_HEADERS   // https://cran.r-project.org/doc/manuals/r-devel/R-exts.html#Error-handling
+#endif
 #include <R.h>
 #include <Rinternals.h>
 #include "po.h"

diff --git a/src/fwrite.h b/src/fwrite.h
@@ -1,7 +1,9 @@
 #ifdef DTPY
   #include "py_fread.h"
 #else
-  #define STRICT_R_HEADERS
+  #ifndef STRICT_R_HEADERS
+    #define STRICT_R_HEADERS
+  #endif
   #include <R.h>
   #include <Rinternals.h>  // for SEXP in writeList() prototype
   #include "po.h"