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Add a new option --enable-gcc-prec which will enable the use of gcc precompiled headers, this speeds up the build time (including one time builds) by several oders of magnitude. closes #975

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Originally committed to SVN as r3369.
This commit is contained in:
Amar Takhar 2009-08-06 04:35:35 +00:00
parent d899c816b8
commit 02581bf1f1
2 changed files with 26 additions and 1 deletions
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10
aegisub/configure.in
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@ -856,6 +856,16 @@ if test "$with_agi_cv_wxstc" = "no" || test "$enable_check_wx_stc:" = "yes"; the
fi
############################
# Precompiled Header Support
# Only works with gcc!
############################
AC_MSG_CHECKING([whether to use precompiled headers])
AC_ARG_ENABLE(gcc-prec, [ --enable-gcc-prec enable GCC precompiled headers (default=no)])
AM_CONDITIONAL([PRECOMPILED_HEADER], [test "$enable_gcc_prec" = "yes"])
######################################################
# Debugging support
# This is added last so it doesn't slow down configure

17
aegisub/src/Makefile.am
View file

@ -1,6 +1,7 @@
AUTOMAKE_OPTIONS = foreign
SUFFIXES = .c .cpp .rc
noinst_LIBRARIES=
AM_CXXFLAGS =
if BUILD_DARWIN
libosxutil_subdir = libosxutil
@ -8,12 +9,19 @@ libosxutil_lib = libosxutil/libosxutil.a
libosxutil_ldflags = -framework CoreFoundation
endif
if PRECOMPILED_HEADER
BUILT_SOURCES = stdwx.h.gch
precompiled_header = stdwx.h
AM_CXXFLAGS += -Winvalid-pch -fpch-deps -fpch-preprocess -include stdwx.h
nodist_aegisub_2_2_SOURCES = stdwx.h.gch
endif
SUBDIRS = \
bitmaps \
libresrc \
$(libosxutil_subdir)
AM_CXXFLAGS = -DAEGISUB -Iinclude -I../libffms/include @WX_CPPFLAGS@ @OPENMP_CXXFLAGS@ @LIBAVFORMAT_CFLAGS@ @LIBAVCODEC_CFLAGS@ @LIBSWSCALE_CFLAGS@ @LIBAVUTIL_CFLAGS@
AM_CXXFLAGS += -DAEGISUB -Iinclude -I../libffms/include @WX_CPPFLAGS@ @OPENMP_CXXFLAGS@ @LIBAVFORMAT_CFLAGS@ @LIBAVCODEC_CFLAGS@ @LIBSWSCALE_CFLAGS@ @LIBAVUTIL_CFLAGS@
bin_PROGRAMS = aegisub-2.2
aegisub_2_2_LDADD = libresrc/libresrc.a $(libosxutil_lib)
@ -21,6 +29,12 @@ aegisub_2_2_CPPFLAGS = @FREETYPE_CFLAGS@
aegisub_2_2_LDFLAGS = @DEBUG_FLAGS@ @PROFILE_FLAGS@ @GL_LIBS@ @PTHREAD_LIBS@ @WX_LIBS@ @ICONV_LDFLAGS@ $(libosxutil_ldflags) @CCMALLOC_LDFLAGS@ @EFENCE_LDFLAGS@
LIBS += @FREETYPE_LIBS@ @FONTCONFIG_LIBS@ @CCMALLOC_LIBS@
if PRECOMPILED_HEADER
# This doesn't depend on Makefile on purpose, you should already know what you're doing when using this.
stdwx.h.gch: stdwx.h
@CXX@ -include ../acconf.h $(DEFAULT_INCLUDES) @CXXFLAGS@ $(AM_CXXFLAGS) @DEBUG_FLAGS@ @PROFILE_FLAGS@ stdwx.h
endif
if BUILD_DARWIN
aegisub_2_2_LDFLAGS += -L/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries
endif
@ -132,6 +146,7 @@ endif
## These aren't built, but are listed here so 'make dist' can always find all the sources
## This should also list all Win32 specific files
EXTRA_aegisub_2_2_SOURCES = \
$(precompiled_header) \
font_file_lister.cpp \
$(FONT_LISTER) \
audio_player_dsound.cpp \