webkit2-gtk: fix build on 10.6 with macports-libstdc++

last missing version of current system snowmath.h should become part of libgcc at some point instead
macports · Oct 4, 2017 · 7889677 · 7889677
1 parent 3bad732
commit 7889677
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diff --git a/www/webkit2-gtk/Portfile b/www/webkit2-gtk/Portfile
@@ -179,6 +179,13 @@ if {${os.platform} eq "darwin" && ${os.major} < 13} {
     if {[variant_isset x11]} {
         patchfiles-append patch-snowleopard-npruntime-redefine-cursor.diff
     }
+
+    # special case: fix build on 10.6 with macports-libstdc++
+    # contents of snowmath.h should someday become part of gcc6 cmath
+    if { ${configure.cxx_stdlib} eq "macports-libstdc++"  && ${os.major} < 11 } {
+        configure.cxxflags-append -D_GLIBCXX_USE_C99_MATH_TR1=1
+        configure.cxxflags-append -include ${portpath}/${filesdir}/snowmath.h
+    }
 }
 
 variant quartz conflicts x11 gtk2 {

diff --git a/www/webkit2-gtk/files/snowmath.h b/www/webkit2-gtk/files/snowmath.h
@@ -0,0 +1,8 @@
+extern "C" {
+    extern long long int llrint ( double );
+    extern long long int llrintf ( float );
+    extern long long int llround ( double );
+    extern long long int llroundf ( float );
+    extern long long int llrintl(long double);
+    extern long long int llroundl(long double);
+}