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Fix bug #1367: compilation fix for gcc 4.1!

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(grafted from 94e8d8902f882058ff9912238e5934ab5632217d
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This commit is contained in:
Gael Guennebaud 2016-12-20 22:17:01 +01:00
parent 0fddbf3dc7
commit 9e0fa0ef6d
1 changed files with 3 additions and 2 deletions
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5
Eigen/src/Core/util/Macros.h
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@ -497,10 +497,11 @@
// attribute to maximize inlining. This should only be used when really necessary: in particular, // 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. // 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, // 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' // Eval.h:91: sorry, unimplemented: inlining failed in call to 'const Eigen::Eval<Derived> Eigen::MatrixBase<Scalar, Derived>::eval() const'
// : function body not available // : 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 #define EIGEN_ALWAYS_INLINE __attribute__((always_inline)) inline
#else #else
#define EIGEN_ALWAYS_INLINE EIGEN_STRONG_INLINE #define EIGEN_ALWAYS_INLINE EIGEN_STRONG_INLINE