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reject macros in math decl check

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The C++ headers #undef the functions we are testing for, just in case
they're implemented as macros, so do that in the cross math decl tests
as well.


for  libstdc++-v3/ChangeLog

	* crossconfig.m4 (GLIBCXX_CHECK_MATH_DECL): Reject macros.
	* configure: Rebuild.
This commit is contained in:
Alexandre Oliva 2020-01-23 11:36:12 -03:00 committed by Alexandre Oliva
parent 7a900bceca
commit f9e84b31df
3 changed files with 26 additions and 0 deletions
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3
libstdc++-v3/ChangeLog
View File

@ -1,5 +1,8 @@
2020-01-23 Alexandre Oliva <oliva@adacore.com>
* crossconfig.m4 (GLIBCXX_CHECK_MATH_DECL): Reject macros.
* configure: Rebuild.
* testsuite/27_io/fpos/mbstate_t/1.cc: Zero-init mbstate_t.
2020-01-23 Jonathan Wakely <jwakely@redhat.com>

22
libstdc++-v3/configure vendored
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@ -72956,6 +72956,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef acosl
int
main ()
@ -73006,6 +73007,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef asinl
int
main ()
@ -73056,6 +73058,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef atan2l
int
main ()
@ -73106,6 +73109,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef atanl
int
main ()
@ -73156,6 +73160,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef ceill
int
main ()
@ -73206,6 +73211,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef cosl
int
main ()
@ -73256,6 +73262,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef coshl
int
main ()
@ -73306,6 +73313,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef expl
int
main ()
@ -73356,6 +73364,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef fabsl
int
main ()
@ -73406,6 +73415,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef floorl
int
main ()
@ -73456,6 +73466,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef fmodl
int
main ()
@ -73506,6 +73517,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef frexpl
int
main ()
@ -73556,6 +73568,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef ldexpl
int
main ()
@ -73606,6 +73619,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef log10l
int
main ()
@ -73656,6 +73670,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef logl
int
main ()
@ -73706,6 +73721,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef modfl
int
main ()
@ -73756,6 +73772,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef powl
int
main ()
@ -73806,6 +73823,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef sinl
int
main ()
@ -73856,6 +73874,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef sinhl
int
main ()
@ -73906,6 +73925,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef sqrtl
int
main ()
@ -73956,6 +73976,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef tanl
int
main ()
@ -74006,6 +74027,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef tanhl
int
main ()

1
libstdc++-v3/crossconfig.m4
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@ -333,6 +333,7 @@ AC_DEFUN([GLIBCXX_CHECK_MATH_DECL], [
#ifdef HAVE_IEEEFP_H
# include <ieeefp.h>
#endif
#undef $1
], [
void (*f)(void) = (void (*)(void))$1;
], [glibcxx_cv_func_$1_use=yes