Only use --whole-archive with gcc.

Conditionalize use of --whole-archive on the platform plus compiler,
rather than on the ABI.  This fixes a regression caused by
7b24c6e557 (Use --whole-archive when
linking integration tests on MinGW.).

Makefile.in

@@ -51,6 +51,7 @@ enable_code_coverage := @enable_code_coverage@
 enable_prof := @enable_prof@
 enable_zone_allocator := @enable_zone_allocator@
 MALLOC_CONF := @JEMALLOC_CPREFIX@MALLOC_CONF
+link_whole_archive := @link_whole_archive@
 DSO_LDFLAGS = @DSO_LDFLAGS@
 SOREV = @SOREV@
 PIC_CFLAGS = @PIC_CFLAGS@
@@ -119,7 +120,7 @@ DSOS := $(objroot)lib/$(LIBJEMALLOC).$(SOREV)
 ifneq ($(SOREV),$(SO))
 DSOS += $(objroot)lib/$(LIBJEMALLOC).$(SO)
 endif
-ifeq (pecoff, $(ABI))
+ifeq (1, $(link_whole_archive))
 LJEMALLOC := -Wl,--whole-archive -L$(objroot)lib -l$(LIBJEMALLOC) -Wl,--no-whole-archive
 else
 LJEMALLOC := $(objroot)lib/$(LIBJEMALLOC).$(IMPORTLIB)
@@ -135,7 +136,7 @@ C_TESTLIB_SRCS := $(srcroot)test/src/btalloc.c $(srcroot)test/src/btalloc_0.c \
 	$(srcroot)test/src/mtx.c $(srcroot)test/src/mq.c \
 	$(srcroot)test/src/SFMT.c $(srcroot)test/src/test.c \
 	$(srcroot)test/src/thd.c $(srcroot)test/src/timer.c
-ifeq (pecoff, $(ABI))
+ifeq (1, $(link_whole_archive))
 C_UTIL_INTEGRATION_SRCS :=
 else
 C_UTIL_INTEGRATION_SRCS := $(srcroot)src/nstime.c $(srcroot)src/util.c

configure.ac

@@ -313,6 +313,7 @@ o="$ac_objext"
 a="a"
 exe="$ac_exeext"
 libprefix="lib"
+link_whole_archive="0"
 DSO_LDFLAGS='-shared -Wl,-soname,$(@F)'
 RPATH='-Wl,-rpath,$(1)'
 SOREV="${so}.${rev}"
@@ -442,6 +443,7 @@ case "${host}" in
         else
 	  importlib="${so}"
 	  DSO_LDFLAGS="-shared"
+	  link_whole_archive="1"
 	fi
 	a="lib"
 	libprefix=""
@@ -479,6 +481,7 @@ AC_SUBST([o])
 AC_SUBST([a])
 AC_SUBST([exe])
 AC_SUBST([libprefix])
+AC_SUBST([link_whole_archive])
 AC_SUBST([DSO_LDFLAGS])
 AC_SUBST([EXTRA_LDFLAGS])
 AC_SUBST([SOREV])

msvc/ReadMe.txt

@@ -17,7 +17,7 @@ How to build jemalloc for Windows
    (note: x86/x64 doesn't matter at this point)
 
 5. Generate header files:
-   sh -c "./autogen.sh" CC=cl --enable-lazy-lock=no
+   sh -c "CC=cl ./autogen.sh"
 
 6. Now the project can be opened and built in Visual Studio:
    msvc\jemalloc_vc2015.sln