1 files changed, 62 insertions, 0 deletions
diff --git a/constexpr.patch b/constexpr.patch
new file mode 100644
index 000000000000..5bdd4c6f2c0d
--- /dev/null
+++ b/constexpr.patch
@@ -0,0 +1,62 @@
+diff --git a/CC/include/CCConst.h b/CC/include/CCConst.h
+index 8ab70a93..085e3cae 100644
+--- a/CC/include/CCConst.h
++++ b/CC/include/CCConst.h
+@@ -33,17 +33,17 @@ constexpr double M_PI = 3.14159265358979323846;
+ 
+ //! Pi/2
+ #ifndef M_PI_2
+-constexpr double M_PI_2 = (M_PI/2.0);
++const double M_PI_2 = (M_PI/2.0);
+ #endif
+ 
+ //! Square root of 3
+ constexpr double SQRT_3 = 1.7320508075688772935274463415059;
+ 
+ //! Conversion factor from radians to degrees
+-constexpr double CC_RAD_TO_DEG = (180.0/M_PI);
++const double CC_RAD_TO_DEG = (180.0/M_PI);
+ 
+ //! Conversion factor from degrees to radians
+-constexpr double CC_DEG_TO_RAD = (M_PI/180.0);
++const double CC_DEG_TO_RAD = (M_PI/180.0);
+ 
+ //! Numerical threshold for considering a value as "zero"
+ constexpr double ZERO_TOLERANCE = static_cast<double>(FLT_EPSILON);
+diff --git a/libs/qCC_db/ccCameraSensor.cpp b/libs/qCC_db/ccCameraSensor.cpp
+index e19b9804..f244c28a 100644
+--- a/libs/qCC_db/ccCameraSensor.cpp
++++ b/libs/qCC_db/ccCameraSensor.cpp
+@@ -53,8 +53,8 @@ void ccCameraSensor::IntrinsicParameters::GetKinectDefaults(IntrinsicParameters&
+ 	//default Kinect parameters from:
+ 	// "Accuracy and Resolution of Kinect Depth Data for Indoor Mapping Applications"
+ 	// Kourosh Khoshelham and Sander Oude Elberink
+-	constexpr float focal_mm		= static_cast<float>(5.45 * 1.0e-3);	// focal length (real distance in meter)
+-	constexpr float pixelSize_mm	= static_cast<float>(9.3 * 1.0e-6);		// pixel size (real distance in meter)
++	const float focal_mm		= static_cast<float>(5.45 * 1.0e-3);	// focal length (real distance in meter)
++	const float pixelSize_mm	= static_cast<float>(9.3 * 1.0e-6);		// pixel size (real distance in meter)
+ 	
+ 	params.vertFocal_pix      = ConvertFocalMMToPix(focal_mm, pixelSize_mm);
+ 	params.pixelSize_mm[0]    = pixelSize_mm;
+diff --git a/libs/qCC_db/ccColorTypes.h b/libs/qCC_db/ccColorTypes.h
+index d456f3e8..8433cea2 100644
+--- a/libs/qCC_db/ccColorTypes.h
++++ b/libs/qCC_db/ccColorTypes.h
+@@ -119,7 +119,7 @@ namespace ccColor
+ 
+ 	// Predefined colors (default type)
+ 	constexpr Rgb whiteRGB					(MAX, MAX, MAX);
+-	constexpr Rgb lightGreyRGB				(static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8));
++	const Rgb lightGreyRGB				(static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8));
+ 	constexpr Rgb darkGreyRGB				(MAX / 2, MAX / 2, MAX / 2);
+ 	constexpr Rgb redRGB					(MAX, 0, 0);
+ 	constexpr Rgb greenRGB					(0, MAX, 0);
+@@ -133,7 +133,7 @@ namespace ccColor
+ 
+ 	// Predefined colors (default type)
+ 	constexpr Rgba white					(MAX, MAX, MAX, MAX);
+-	constexpr Rgba lightGrey				(static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8), MAX);
++	const Rgba lightGrey				(static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8), static_cast<ColorCompType>(MAX*0.8), MAX);
+ 	constexpr Rgba darkGrey					(MAX / 2, MAX / 2, MAX / 2, MAX);
+ 	constexpr Rgba red						(MAX, 0, 0, MAX);
+ 	constexpr Rgba green					(0, MAX, 0, MAX);