-- Best regards, LIU Hao
From 27c6bbadfbf9341965042f32e911a603422d1e07 Mon Sep 17 00:00:00 2001 From: LIU Hao <[email protected]> Date: Sun, 30 Mar 2025 02:01:39 +0800 Subject: [PATCH] crt: Move definitions of `__mingw_fe_dfl_env` to 'fesetenv.c' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These macros are to be used with `fesetenv()`, so they belong there. This eliminates such warnings in C: .../mingw-w64-headers/crt/fenv.h:64:39: warning: ‘__mingw_fe_dfl_env’ initialized and declared ‘extern’ extern const __MINGW_SELECTANY fenv_t __mingw_fe_dfl_env = { 0, 0 }; ^~~~~~~~~~~~~~~~~~ and for some unknown reasons, when compiling libquadmath: math/.libs/x2y2m1q.o: duplicate section `.rdata$__mingw_fe_pc53_env[__mingw_fe_pc53_env]' has different size math/.libs/x2y2m1q.o: duplicate section `.rdata$__mingw_fe_pc64_env[__mingw_fe_pc64_env]' has different size math/.libs/x2y2m1q.o: duplicate section `.rdata$__mingw_fe_dfl_env[__mingw_fe_dfl_env]' has different size math/.libs/acoshq.o: duplicate section `.rdata$__mingw_fe_pc53_env[__mingw_fe_pc53_env]' has different size math/.libs/acoshq.o: duplicate section `.rdata$__mingw_fe_pc64_env[__mingw_fe_pc64_env]' has different size math/.libs/acoshq.o: duplicate section `.rdata$__mingw_fe_dfl_env[__mingw_fe_dfl_env]' has different size ... Signed-off-by: LIU Hao <[email protected]> --- mingw-w64-crt/misc/fesetenv.c | 4 ++++ mingw-w64-headers/crt/fenv.h | 6 +++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/mingw-w64-crt/misc/fesetenv.c b/mingw-w64-crt/misc/fesetenv.c index 5a4426a30..61c0f1b21 100644 --- a/mingw-w64-crt/misc/fesetenv.c +++ b/mingw-w64-crt/misc/fesetenv.c @@ -16,6 +16,10 @@ exceptions. */ +const fenv_t __mingw_fe_dfl_env = { 0, 0 }; +const fenv_t __mingw_fe_pc64_env = { 0x3f3f003f, 0 }; +const fenv_t __mingw_fe_pc53_env = { 0x3f3f103f, 0 }; + extern void (* __MINGW_IMP_SYMBOL(_fpreset))(void); extern void _fpreset(void); diff --git a/mingw-w64-headers/crt/fenv.h b/mingw-w64-headers/crt/fenv.h index 7d441c287..b4ab0718c 100644 --- a/mingw-w64-headers/crt/fenv.h +++ b/mingw-w64-headers/crt/fenv.h @@ -61,7 +61,7 @@ extern "C" { /* The FE_DFL_ENV macro is required by standard. fesetenv will use the environment set at app startup.*/ -extern const __MINGW_SELECTANY fenv_t __mingw_fe_dfl_env = { 0, 0 }; +extern const fenv_t __mingw_fe_dfl_env; #define FE_DFL_ENV (&__mingw_fe_dfl_env) /* The C99 standard (7.6.9) allows us to define implementation-specific macros for @@ -69,11 +69,11 @@ extern const __MINGW_SELECTANY fenv_t __mingw_fe_dfl_env = { 0, 0 }; #if defined(__i386__) || defined(__x86_64__) /* The default Intel x87 floating point environment (64-bit mantissa) */ -extern const __MINGW_SELECTANY fenv_t __mingw_fe_pc64_env = { 0x3f3f003f, 0 }; +extern const fenv_t __mingw_fe_pc64_env; #define FE_PC64_ENV (&__mingw_fe_pc64_env) /* The floating point environment set by MSVCRT _fpreset (53-bit mantissa) */ -extern const __MINGW_SELECTANY fenv_t __mingw_fe_pc53_env = { 0x3f3f103f, 0 }; +extern const fenv_t __mingw_fe_pc53_env; #define FE_PC53_ENV (&__mingw_fe_pc53_env) #endif -- 2.49.0
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