Fix bug #1367: compilation fix for gcc 4.1!

This commit is contained in:
Gael Guennebaud 2016-12-20 22:17:01 +01:00
parent e8d6862f14
commit 94e8d8902f

View File

@ -501,10 +501,11 @@
// attribute to maximize inlining. This should only be used when really necessary: in particular,
// it uses __attribute__((always_inline)) on GCC, which most of the time is useless and can severely harm compile times.
// FIXME with the always_inline attribute,
// gcc 3.4.x reports the following compilation error:
// gcc 3.4.x and 4.1 reports the following compilation error:
// Eval.h:91: sorry, unimplemented: inlining failed in call to 'const Eigen::Eval<Derived> Eigen::MatrixBase<Scalar, Derived>::eval() const'
// : function body not available
#if EIGEN_GNUC_AT_LEAST(4,0)
// See also bug 1367
#if EIGEN_GNUC_AT_LEAST(4,2)
#define EIGEN_ALWAYS_INLINE __attribute__((always_inline)) inline
#else
#define EIGEN_ALWAYS_INLINE EIGEN_STRONG_INLINE