TR1: check in cmake for GCC version, fallback in checktr1.h for other build systems...

[lyx.git] / src / support / checktr1.h

diff --git a/src/support/checktr1.h b/src/support/checktr1.h
index 9a4d23cc90e853d13279a2d86a1f7bdd2531e91f..da5d594aaaf585605968328133e286c4822c5c88 100644 (file)
--- a/src/support/checktr1.h
+++ b/src/support/checktr1.h
@@ -12,6 +12,8 @@
 #ifndef LYX_CHECKTR1_H
 #define LYX_CHECKTR1_H
 
+#ifndef LYX_USE_TR1 // When not set by the build system
+
 #if defined(_MSC_VER) && (_MSC_VER >= 1600)
 #define LYX_USE_TR1
 #endif
@@ -20,5 +22,7 @@
 #define LYX_USE_TR1
 #endif
 
+#endif
+
 
 #endif