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authorJan Nieuwenhuizen <janneke@gnu.org>2019-09-24 20:23:31 +0200
committerJan Nieuwenhuizen <janneke@gnu.org>2019-09-27 06:42:47 +0200
commit308eb5c11a885768f81fb6136fd4d30b4639fe04 (patch)
tree3ee1c8f6923a2b83a45d9511c7750a54d089d2f2 /gnu/packages/patches
parentfc16ef9d906f356cd63e3fc8b14e505568978b32 (diff)
gnu: gcc: Fix mingw cross compiler.
* gnu/packages/patches/gcc-7-cross-mingw.patch: New file. * gnu/packages/cross-base.scm (cross-gcc-patches): Add XGCC parameter; update caller. Use it for target mingw and gcc >= 7. * gnu/local.mk (dist_patch_DATA): Add it.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/gcc-7-cross-mingw.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/gnu/packages/patches/gcc-7-cross-mingw.patch b/gnu/packages/patches/gcc-7-cross-mingw.patch
new file mode 100644
index 0000000000..eec6f88953
--- /dev/null
+++ b/gnu/packages/patches/gcc-7-cross-mingw.patch
@@ -0,0 +1,24 @@
+This fixes
+
+../../../../gcc-7.4.0/libstdc++-v3/libsupc++/new_opa.cc: In function ‘void* __gnu_cxx::aligned_alloc(std::size_t, std::size_t)’:
+../../../../gcc-7.4.0/libstdc++-v3/libsupc++/new_opa.cc:78:10: error: ‘memalign’ was not declared in this scope
+ return memalign (al, sz);
+ ^~~~~~~~
+../../../../gcc-7.4.0/libstdc++-v3/libsupc++/new_opa.cc:78:10: note: suggested alternative: ‘max_align_t’
+ return memalign (al, sz);
+ ^~~~~~~~
+ max_align_t
+
+diff --git a/libstdc++-v3/libsupc++/new_opa.cc b/libstdc++-v3/libsupc++/new_opa.cc
+index 94e79cadb0e..084900e0daf 100644
+--- a/libstdc++-v3/libsupc++/new_opa.cc
++++ b/libstdc++-v3/libsupc++/new_opa.cc
+@@ -39,6 +39,8 @@ extern "C" void *memalign(std::size_t boundary, std::size_t size);
+ # endif
+ #endif
+
++#define memalign _aligned_malloc
++
+ using std::new_handler;
+ using std::bad_alloc;
+