On 02/07/2016 02:59 PM, Orion Poplawski wrote: > With a simple: > > #include <config.h> > #include <math.h> > #include <cmath> > > int main(int argc,char **argv) { > } > > I'm able to reproduce the compile error: > > g++ -DHAVE_CONFIG_H -I. -I.. -I../lib -g -O2 -MT foobar.o -MD -MP -MF > .deps/foobar.Tpo -c -o foobar.o foobar.cpp > In file included from foobar.cpp:2:0: > ../lib/math.h: In function ‘int signbit(float)’: > ../lib/math.h:2576:1: error: ‘int signbit(float)’ conflicts with a previous > declaration > _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit) > ^ > In file included from /usr/include/c++/6.0.0/math.h:36:0, > from ../lib/math.h:27, > from foobar.cpp:2: > /usr/include/c++/6.0.0/cmath:681:3: note: previous declaration ‘constexpr bool > std::signbit(float)’ > signbit(float __x) > ^~~~~~~ > In file included from foobar.cpp:2:0: > ../lib/math.h: In function ‘int signbit(double)’: > ../lib/math.h:2576:1: error: ‘int signbit(double)’ conflicts with a previous > declaration > _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit) > ^ > In file included from /usr/include/c++/6.0.0/math.h:36:0, > from ../lib/math.h:27, > from foobar.cpp:2: > /usr/include/c++/6.0.0/cmath:685:3: note: previous declaration ‘constexpr bool > std::signbit(double)’ > signbit(double __x) > ^~~~~~~ > In file included from foobar.cpp:2:0: > ../lib/math.h: In function ‘int signbit(long double)’: > ../lib/math.h:2576:1: error: ‘int signbit(long double)’ conflicts with a > previous declaration > _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit) > ^ > In file included from /usr/include/c++/6.0.0/math.h:36:0, > from ../lib/math.h:27, > from foobar.cpp:2: > /usr/include/c++/6.0.0/cmath:689:3: note: previous declaration ‘constexpr bool > std::signbit(long double)’ > signbit(long double __x) > ^~~~~~~ > > Although I really don't have any good ideas about how to fix this.
Any ideas anyone? -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane or...@nwra.com Boulder, CO 80301 http://www.nwra.com