libretro.parallel-n64: fix build with gcc15

    hash = "sha256-Th8VqENewfTeRTH+lONN7ZTMLQ0G6901q6ZBNMgepL4=";

  };

  patches = [

    # Fix build with gcc15

    # Upstream considers this core legacy (for "potato PC") and won't fix.

    # See: https://github.com/libretro/parallel-n64/issues/797

    #   /nix/store/...-glibc-2.40-66-dev/include/bits/mathcalls-narrow.h:36:20: error: conflicting types for 'fsqrt'; have 'float(double)'

    ./patches/parallel-n64-gcc15.patch

  ];

  extraBuildInputs = [

    libGLU

    libGL

From 3a891c0450c4968afbe76c594c22347354bd8834 Mon Sep 17 00:00:00 2001

From: Moraxyc <i@qaq.li>

Date: Sat, 3 Jan 2026 13:41:55 +0800

Subject: [PATCH] Rename fsqrt to _fsqrt to avoid conflict

---

 mupen64plus-core/src/r4300/hacktarux_dynarec/assemble.h   | 2 +-

 .../src/r4300/hacktarux_dynarec/hacktarux_dynarec.c       | 8 ++++----

 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/mupen64plus-core/src/r4300/hacktarux_dynarec/assemble.h b/mupen64plus-core/src/r4300/hacktarux_dynarec/assemble.h

index 8161292..e256dd9 100644

--- a/mupen64plus-core/src/r4300/hacktarux_dynarec/assemble.h

+++ b/mupen64plus-core/src/r4300/hacktarux_dynarec/assemble.h

@@ -1650,7 +1650,7 @@ static INLINE void fchs(void)

 }

-static INLINE void fsqrt(void)

+static INLINE void _fsqrt(void)

 {

    put8(0xD9);

    put8(0xFA);

diff --git a/mupen64plus-core/src/r4300/hacktarux_dynarec/hacktarux_dynarec.c b/mupen64plus-core/src/r4300/hacktarux_dynarec/hacktarux_dynarec.c

index 89fb982..2fc70d1 100644

--- a/mupen64plus-core/src/r4300/hacktarux_dynarec/hacktarux_dynarec.c

+++ b/mupen64plus-core/src/r4300/hacktarux_dynarec/hacktarux_dynarec.c

@@ -6317,13 +6317,13 @@ void gensqrt_d(void)

 #ifdef __x86_64__

    mov_xreg64_m64rel(RAX, (uint64_t *)(&reg_cop1_double[dst->f.cf.fs]));

    fld_preg64_qword(RAX);

-   fsqrt();

+   _fsqrt();

    mov_xreg64_m64rel(RAX, (uint64_t *)(&reg_cop1_double[dst->f.cf.fd]));

    fstp_preg64_qword(RAX);

 #else

    mov_eax_memoffs32((unsigned int *)(&reg_cop1_double[dst->f.cf.fs]));

    fld_preg32_qword(EAX);

-   fsqrt();

+   _fsqrt();

    mov_eax_memoffs32((unsigned int *)(&reg_cop1_double[dst->f.cf.fd]));

    fstp_preg32_qword(EAX);

 #endif

@@ -7301,13 +7301,13 @@ void gensqrt_s(void)

 #ifdef __x86_64__

    mov_xreg64_m64rel(RAX, (uint64_t *)(&reg_cop1_simple[dst->f.cf.fs]));

    fld_preg64_dword(RAX);

-   fsqrt();

+   _fsqrt();

    mov_xreg64_m64rel(RAX, (uint64_t *)(&reg_cop1_simple[dst->f.cf.fd]));

    fstp_preg64_dword(RAX);

 #else

    mov_eax_memoffs32((unsigned int *)(&reg_cop1_simple[dst->f.cf.fs]));

    fld_preg32_dword(EAX);

-   fsqrt();

+   _fsqrt();

    mov_eax_memoffs32((unsigned int *)(&reg_cop1_simple[dst->f.cf.fd]));

    fstp_preg32_dword(EAX);

 #endif

-- 

2.52.0