Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/libc_compat/libc_compat.c

@@ -0,0 +1,147 @@
+/* SPDX-FileCopyrightText: 2020 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/* On Linux, precompiled libraries may be made with an glibc version that is
+ * incompatible with the system libraries that Blender is built on. To solve
+ * this we add a few -ffast-math symbols that can be missing. */
+
+/** \file
+ * \ingroup intern_libc_compat
+ */
+
+#ifdef __linux__
+#  include <features.h>
+#  include <math.h>
+#  include <stdlib.h>
+
+#  if defined(__GLIBC_PREREQ)
+#    if __GLIBC_PREREQ(2, 31)
+
+double __exp_finite(double x);
+double __exp2_finite(double x);
+double __acos_finite(double x);
+double __asin_finite(double x);
+double __log2_finite(double x);
+double __log10_finite(double x);
+double __log_finite(double x);
+double __pow_finite(double x, double y);
+double __atan2_finite(double x, double y);
+float __expf_finite(float x);
+float __exp2f_finite(float x);
+float __acosf_finite(float x);
+float __asinf_finite(float x);
+float __log2f_finite(float x);
+float __log10f_finite(float x);
+float __logf_finite(float x);
+float __powf_finite(float x, float y);
+float __atan2f_finite(float x, float y);
+
+double __exp_finite(double x)
+{
+  return exp(x);
+}
+
+double __exp2_finite(double x)
+{
+  return exp2(x);
+}
+
+double __acos_finite(double x)
+{
+  return acos(x);
+}
+
+double __asin_finite(double x)
+{
+  return asin(x);
+}
+
+double __log2_finite(double x)
+{
+  return log2(x);
+}
+
+double __log10_finite(double x)
+{
+  return log10(x);
+}
+
+double __log_finite(double x)
+{
+  return log(x);
+}
+
+double __pow_finite(double x, double y)
+{
+  return pow(x, y);
+}
+
+double __atan2_finite(double x, double y)
+{
+  return atan2(x, y);
+}
+
+float __expf_finite(float x)
+{
+  return expf(x);
+}
+
+float __exp2f_finite(float x)
+{
+  return exp2f(x);
+}
+
+float __acosf_finite(float x)
+{
+  return acosf(x);
+}
+
+float __asinf_finite(float x)
+{
+  return asinf(x);
+}
+
+float __log2f_finite(float x)
+{
+  return log2f(x);
+}
+
+float __log10f_finite(float x)
+{
+  return log10f(x);
+}
+
+float __logf_finite(float x)
+{
+  return logf(x);
+}
+
+float __powf_finite(float x, float y)
+{
+  return powf(x, y);
+}
+
+float __atan2f_finite(float x, float y)
+{
+  return atan2f(x, y);
+}
+
+#    endif /* __GLIBC_PREREQ(2, 31) */
+
+#    if __GLIBC_PREREQ(2, 34) && defined(WITH_LIBC_MALLOC_HOOK_WORKAROUND)
+
+extern void *(*__malloc_hook)(size_t __size, const void *);
+extern void *(*__realloc_hook)(void *__ptr, size_t __size, const void *);
+extern void *(*__memalign_hook)(size_t __alignment, size_t __size, const void *);
+extern void (*__free_hook)(void *__ptr, const void *);
+
+void *(*__malloc_hook)(size_t __size, const void *) = NULL;
+void *(*__realloc_hook)(void *__ptr, size_t __size, const void *) = NULL;
+void *(*__memalign_hook)(size_t __alignment, size_t __size, const void *) = NULL;
+void (*__free_hook)(void *__ptr, const void *) = NULL;
+
+#    endif /* __GLIBC_PREREQ(2, 34) */
+
+#  endif /* __GLIBC_PREREQ */
+#endif   /* __linux__ */