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Use pow() instead of powf() when compiling with MinGW32 to work around a libstdc++ cross-compile bug, see #2673362

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svn-id: r39309
This commit is contained in:
Andre Heider 2009-03-10 19:32:38 +00:00
parent d5d7bd73d5
commit c72cba069b
3 changed files with 12 additions and 3 deletions
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5
sound/softsynth/mt32/partial.cpp
View File

@ -25,11 +25,14 @@
#include "mt32emu.h"
#if defined(MACOSX) || defined(SOLARIS)
#if defined(MACOSX) || defined(SOLARIS) || defined(__MINGW32__)
// Older versions of Mac OS X didn't supply a powf function, so using it
// will cause a binary incompatibility when trying to run a binary built
// on a newer OS X release on an olderr one. And Solaris 8 doesn't provide
// powf, floorf, fabsf etc. at all.
// Cross-compiled MinGW32 toolchains suffer from a cross-compile bug in
// libstdc++. math/stubs.o should be empty, but it comes with a symbol for
// powf, resulting in a linker error because of multiple definitions.
// Hence we re-define them here. The only potential drawback is that it
// might be a little bit slower this way.
#define powf pow

5
sound/softsynth/mt32/synth.cpp
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@ -25,11 +25,14 @@
#include "mt32emu.h"
#if defined(MACOSX) || defined(SOLARIS)
#if defined(MACOSX) || defined(SOLARIS) || defined(__MINGW32__)
// Older versions of Mac OS X didn't supply a powf function, so using it
// will cause a binary incompatibility when trying to run a binary built
// on a newer OS X release on an olderr one. And Solaris 8 doesn't provide
// powf, floorf, fabsf etc. at all.
// Cross-compiled MinGW32 toolchains suffer from a cross-compile bug in
// libstdc++. math/stubs.o should be empty, but it comes with a symbol for
// powf, resulting in a linker error because of multiple definitions.
// Hence we re-define them here. The only potential drawback is that it
// might be a little bit slower this way.
#define powf pow

5
sound/softsynth/mt32/tables.cpp
View File

@ -25,11 +25,14 @@
#include "mt32emu.h"
#if defined(MACOSX) || defined(SOLARIS)
#if defined(MACOSX) || defined(SOLARIS) || defined(__MINGW32__)
// Older versions of Mac OS X didn't supply a powf function, so using it
// will cause a binary incompatibility when trying to run a binary built
// on a newer OS X release on an olderr one. And Solaris 8 doesn't provide
// powf, floorf, fabsf etc. at all.
// Cross-compiled MinGW32 toolchains suffer from a cross-compile bug in
// libstdc++. math/stubs.o should be empty, but it comes with a symbol for
// powf, resulting in a linker error because of multiple definitions.
// Hence we re-define them here. The only potential drawback is that it
// might be a little bit slower this way.
#define powf pow