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This cuts 'make install -j6' on my laptop from 170s to 134s.
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,42 @@ | ||
PRECOMPILE_HEADERS ?= 1 | ||
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print-var-help += \ | ||
echo " PRECOMPILE_HEADERS ($(PRECOMPILE_HEADERS)): Whether to use precompiled headers to speed up the build"; | ||
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GCH = $(buildprefix)precompiled-headers.h.gch | ||
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$(GCH): precompiled-headers.h | ||
@rm -f $@ | ||
@mkdir -p "$(dir $@)" | ||
$(trace-gen) $(CXX) -x c++-header -o $@ $^ $(GLOBAL_CXXFLAGS) | ||
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PCH = $(buildprefix)precompiled-headers.h.pch | ||
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$(PCH): precompiled-headers.h | ||
@rm -f $@ | ||
@mkdir -p "$(dir $@)" | ||
$(trace-gen) $(CXX) -x c++-header -o $@ $^ $(GLOBAL_CXXFLAGS) | ||
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clean-files += $(GCH) $(PCH) | ||
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ifeq ($(PRECOMPILE_HEADERS), 1) | ||
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ifeq ($(CXX), g++) | ||
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GLOBAL_CXXFLAGS_PCH += -include $(buildprefix)precompiled-headers.h -Winvalid-pch | ||
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GLOBAL_ORDER_AFTER += $(GCH) | ||
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else ifeq ($(CXX), clang++) | ||
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GLOBAL_CXXFLAGS_PCH += -include-pch $(PCH) -Winvalid-pch | ||
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GLOBAL_ORDER_AFTER += $(PCH) | ||
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else | ||
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$(error Don't know how to precompile headers on $(CXX)) | ||
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endif | ||
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endif |
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Original file line number | Diff line number | Diff line change |
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#include <algorithm> | ||
#include <array> | ||
#include <atomic> | ||
#include <cassert> | ||
#include <cctype> | ||
#include <chrono> | ||
#include <climits> | ||
#include <cmath> | ||
#include <condition_variable> | ||
#include <cstddef> | ||
#include <cstdint> | ||
#include <cstdio> | ||
#include <cstdlib> | ||
#include <cstring> | ||
#include <exception> | ||
#include <functional> | ||
#include <future> | ||
#include <iostream> | ||
#include <limits> | ||
#include <list> | ||
#include <locale> | ||
#include <map> | ||
#include <memory> | ||
#include <mutex> | ||
#include <numeric> | ||
#include <optional> | ||
#include <queue> | ||
#include <random> | ||
#include <regex> | ||
#include <set> | ||
#include <sstream> | ||
#include <stack> | ||
#include <stdexcept> | ||
#include <string> | ||
#include <thread> | ||
#include <unordered_map> | ||
#include <unordered_set> | ||
#include <vector> | ||
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#include <boost/format.hpp> | ||
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#include <dirent.h> | ||
#include <errno.h> | ||
#include <fcntl.h> | ||
#include <grp.h> | ||
#include <net/if.h> | ||
#include <netdb.h> | ||
#include <netinet/ip.h> | ||
#include <pwd.h> | ||
#include <sched.h> | ||
#include <signal.h> | ||
#include <sys/ioctl.h> | ||
#include <sys/mman.h> | ||
#include <sys/mount.h> | ||
#include <sys/param.h> | ||
#include <sys/personality.h> | ||
#include <sys/resource.h> | ||
#include <sys/select.h> | ||
#include <sys/socket.h> | ||
#include <sys/socket.h> | ||
#include <sys/stat.h> | ||
#include <sys/syscall.h> | ||
#include <sys/time.h> | ||
#include <sys/types.h> | ||
#include <sys/utsname.h> | ||
#include <sys/wait.h> | ||
#include <termios.h> | ||
#include <unistd.h> | ||
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#include "util.hh" | ||
#include "args.hh" |