Cygwin install error: error: 'isnan' was not declared in this scope

Chưa có ai nhận issue này.

Dear all,

after struggling with the installation of basemap I decided to post here. I have tried a couple of different 'hacks' found in google but none worked.

Full error:

> libtool: compile: g++ -DHAVE_CONFIG_H -I. -I../../../include -I../../../include/geos -I../../../include -DGEOS_INLINE -pedantic -Wall -ansi -Wno-long-long -ffloat-store -g -O2 -MT IndexedPointInAreaLocator.lo -MD -MP -MF .deps/IndexedPointInAreaLocator.Tpo -c IndexedPointInAreaLocator.cpp -DDLL_EXPORT -DPIC -o .libs/IndexedPointInAreaLocator.o
> In file included from ../../../include/geos/geom/Geometry.h:26:0,
> from IndexedPointInAreaLocator.cpp:18:
> ../../../include/geos/geom/Coordinate.inl: In member function 'bool geos::geom::Coordinate::isNull() const':
> ../../../include/geos/platform.h:88:27: error: 'isnan' was not declared in this scope
> # define ISNAN(x) (isnan(x))
> ^
> ../../../include/geos/geom/Coordinate.inl:39:10: note: in expansion of macro 'ISNAN'
> return (ISNAN(x) && ISNAN(y) && ISNAN(z));
> ^
> ../../../include/geos/platform.h:88:27: note: suggested alternative:
> # define ISNAN(x) (isnan(x))
> ^
> ../../../include/geos/geom/Coordinate.inl:39:10: note: in expansion of macro 'ISNAN'
> return (ISNAN(x) && ISNAN(y) && ISNAN(z));
> ^
> In file included from ../../../include/geos/geom/Coordinate.inl:23:0,
> from ../../../include/geos/geom/Coordinate.h:161,
> from ../../../include/geos/geom/Envelope.h:26,
> from ../../../include/geos/geom/Geometry.h:28,
> from IndexedPointInAreaLocator.cpp:18:
> /usr/lib/gcc/x86_64-pc-cygwin/5.4.0/include/c++/cmath:862:5: note: 'std::isnan'
> isnan(_Tp __f)
> ^
> In file included from ../../../include/geos/geom/Geometry.h:26:0,
> from IndexedPointInAreaLocator.cpp:18:
> ../../../include/geos/geom/Coordinate.inl: In member function 'bool geos::geom::Coordinate::equals3D(const geos::geom::Coordinate&) const':
> ../../../include/geos/platform.h:88:27: error: 'isnan' was not declared in this scope
> # define ISNAN(x) (isnan(x))
> ^
> ../../../include/geos/geom/Coordinate.inl:83:21: note: in expansion of macro 'ISNAN'
> ((z == other.z)||(ISNAN(z) && ISNAN(other.z)));
> ^
> ../../../include/geos/platform.h:88:27: note: suggested alternative:
> # define ISNAN(x) (isnan(x))
> ^
> ../../../include/geos/geom/Coordinate.inl:83:21: note: in expansion of macro 'ISNAN'
> ((z == other.z)||(ISNAN(z) && ISNAN(other.z)));
> ^
> In file included from ../../../include/geos/geom/Coordinate.inl:23:0,
> from ../../../include/geos/geom/Coordinate.h:161,
> from ../../../include/geos/geom/Envelope.h:26,
> from ../../../include/geos/geom/Geometry.h:28,
> from IndexedPointInAreaLocator.cpp:18:
> /usr/lib/gcc/x86_64-pc-cygwin/5.4.0/include/c++/cmath:862:5: note: 'std::isnan'
> isnan(_Tp __f)
> ^
> make[4]: **\* [Makefile:373: IndexedPointInAreaLocator.lo] Error 1
> make[4]: Leaving directory '/tmp/basemap/geos-3.3.3/src/algorithm/locate'
> make[3]: **\* [Makefile:392: all-recursive] Error 1
> make[3]: Leaving directory '/tmp/basemap/geos-3.3.3/src/algorithm/locate'
> make[2]: **\* [Makefile:444: all-recursive] Error 1
> make[2]: Leaving directory '/tmp/basemap/geos-3.3.3/src/algorithm'
> make[1]: **\* [Makefile:476: all-recursive] Error 1
> make[1]: Leaving directory '/tmp/basemap/geos-3.3.3/src'
> make: **\* [Makefile:368: all-recursive] Error 1

I am installing it on cygwin 64 bits.

I have also tried to use cygwin's binaries but they give errors on a tested script.

I am not sure of any additional relevant information.

Best regards,

Bắt đầu bằng cách tái hiện quá trình cài đặt Cygwin 64-bit và kiểm tra bản build bị lỗi trong geos-3.3.3/src/algorithm/locate/IndexedPointInAreaLocator.cpp. Đọc ../../../include/geos/platform.h và ../../../include/geos/geom/Coordinate.inl xung quanh việc sử dụng ISNAN, sau đó xác minh rằng quá trình cài đặt basemap hoàn tất và script được nêu có thể chạy được.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.