fixup! Merge pull request #4013 from dscho/mimalloc

In preparation for vendoring in a newer version of mimalloc, let's drop
the current version of the topic.

This reverts commit 8f9a61f, reversing
changes made to 145a228.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

Makefile

@@ -1328,7 +1328,6 @@ BUILTIN_OBJS += builtin/write-tree.o
 # upstream unnecessarily (making merging in future changes easier).
 THIRD_PARTY_SOURCES += compat/inet_ntop.c
 THIRD_PARTY_SOURCES += compat/inet_pton.c
-THIRD_PARTY_SOURCES += compat/mimalloc/%
 THIRD_PARTY_SOURCES += compat/nedmalloc/%
 THIRD_PARTY_SOURCES += compat/obstack.%
 THIRD_PARTY_SOURCES += compat/poll/%
@@ -2052,39 +2051,6 @@ ifdef USE_NED_ALLOCATOR
 	OVERRIDE_STRDUP = YesPlease
 endif
 
-ifdef USE_MIMALLOC
-	MIMALLOC_OBJS = \
-		compat/mimalloc/alloc-aligned.o \
-		compat/mimalloc/alloc.o \
-		compat/mimalloc/arena.o \
-		compat/mimalloc/bitmap.o \
-		compat/mimalloc/heap.o \
-		compat/mimalloc/init.o \
-		compat/mimalloc/options.o \
-		compat/mimalloc/os.o \
-		compat/mimalloc/page.o \
-		compat/mimalloc/random.o \
-		compat/mimalloc/segment.o \
-		compat/mimalloc/segment-cache.o \
-		compat/mimalloc/stats.o
-
-	COMPAT_CFLAGS += -Icompat/mimalloc -DMI_DEBUG=0 -DUSE_MIMALLOC --std=gnu11
-	COMPAT_OBJS += $(MIMALLOC_OBJS)
-
-$(MIMALLOC_OBJS): COMPAT_CFLAGS += -DBANNED_H
-
-ifdef DEVELOPER
-$(MIMALLOC_OBJS): COMPAT_CFLAGS += \
-	-Wno-attributes \
-	-Wno-pedantic \
-	-Wno-unknown-pragmas \
-	-Wno-declaration-after-statement \
-	-Wno-old-style-definition \
-	-Wno-missing-prototypes \
-	-Wno-array-bounds
-endif
-endif
-
 ifdef OVERRIDE_STRDUP
 	COMPAT_CFLAGS += -DOVERRIDE_STRDUP
 	COMPAT_OBJS += compat/strdup.o