Commit more stack size in some windows binaries

This way we can commit the same amount of stack size (64 MB) without a conditional.
Includes nix, libnixexpr-tests, libnixfetchers-tests, libnixstore-tests, libnixutil-tests.

src/nix/local.mk

@@ -30,6 +30,11 @@ nix_LIBS = libexpr libmain libfetchers libstore libutil libcmd
 
 nix_LDFLAGS = $(THREAD_LDFLAGS) $(SODIUM_LIBS) $(EDITLINE_LIBS) $(BOOST_LDFLAGS) $(LOWDOWN_LIBS)
 
+ifdef HOST_WINDOWS
+  # Increase the default reserved stack size to 65 MB so Nix doesn't run out of space
+  nix_LDFLAGS += -Wl,--stack,$(shell echo $$((65 * 1024 * 1024)))
+endif
+
 $(foreach name, \
   nix-build nix-channel nix-collect-garbage nix-copy-closure nix-daemon nix-env nix-hash nix-instantiate nix-prefetch-url nix-shell nix-store, \
   $(eval $(call install-symlink, nix, $(bindir)/$(name))))

src/nix/main.cc

@@ -522,14 +522,9 @@ void mainWrapped(int argc, char * * argv)
 
 int main(int argc, char * * argv)
 {
-#ifndef _WIN32
     // Increase the default stack size for the evaluator and for
     // libstdc++'s std::regex.
     nix::setStackSize(64 * 1024 * 1024);
-#else
-    // Windows' default stack reservation is 1 MB, going over will fail
-    nix::setStackSize(1 * 1024 * 1024);
-#endif
 
     return nix::handleExceptions(argv[0], [&]() {
         nix::mainWrapped(argc, argv);

tests/unit/libexpr/local.mk

@@ -38,3 +38,8 @@ libexpr-tests_LIBS = \
     libexpr libexprc libfetchers libstore libstorec libutil libutilc
 
 libexpr-tests_LDFLAGS := -lrapidcheck $(GTEST_LIBS) -lgmock
+
+ifdef HOST_WINDOWS
+  # Increase the default reserved stack size to 65 MB so Nix doesn't run out of space
+  libexpr-tests_LDFLAGS += -Wl,--stack,$(shell echo $$((65 * 1024 * 1024)))
+endif

tests/unit/libfetchers/local.mk

@@ -30,3 +30,8 @@ libfetchers-tests_LIBS = \
     libfetchers libstore libutil
 
 libfetchers-tests_LDFLAGS := -lrapidcheck $(GTEST_LIBS)
+
+ifdef HOST_WINDOWS
+  # Increase the default reserved stack size to 65 MB so Nix doesn't run out of space
+  libfetchers-tests_LDFLAGS += -Wl,--stack,$(shell echo $$((65 * 1024 * 1024)))
+endif

tests/unit/libstore/local.mk

@@ -31,3 +31,8 @@ libstore-tests_LIBS = \
     libstore libstorec libutil libutilc
 
 libstore-tests_LDFLAGS := -lrapidcheck $(GTEST_LIBS)
+
+ifdef HOST_WINDOWS
+  # Increase the default reserved stack size to 65 MB so Nix doesn't run out of space
+  libstore-tests_LDFLAGS += -Wl,--stack,$(shell echo $$((65 * 1024 * 1024)))
+endif

tests/unit/libutil/local.mk

@@ -27,6 +27,11 @@ libutil-tests_LIBS = libutil-test-support libutil libutilc
 
 libutil-tests_LDFLAGS := -lrapidcheck $(GTEST_LIBS)
 
+ifdef HOST_WINDOWS
+  # Increase the default reserved stack size to 65 MB so Nix doesn't run out of space
+  libutil-tests_LDFLAGS += -Wl,--stack,$(shell echo $$((65 * 1024 * 1024)))
+endif
+
 check: $(d)/data/git/check-data.sh.test
 
 $(eval $(call run-test,$(d)/data/git/check-data.sh))