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Overview
Comment:Enable optimizations for nmake builds
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 50e2268a7783ced0355f5591e4be156e4842c276
User & Date: apnadkarni 2017-09-16 12:25:00.386
Context
2017-12-14
11:40
Merge vc-reform: new nmake build system check-in: 662e3bac62 user: apnadkarni tags: trunk
2017-11-28
14:53
Pulling changes from trunk check-in: 97b3bd3fc7 user: seandeelywoods tags: practcl
2017-09-30
03:47
Create new branch named "vc-reform" check-in: 63d7979801 user: apnadkarni tags: vc-reform
2017-09-16
12:25
Enable optimizations for nmake builds check-in: 50e2268a77 user: apnadkarni tags: trunk
2017-08-28
14:16
Merged nmake build changes check-in: bf7683880f user: apnadkarni tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to win/rules.vc. 
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#------------------------------------------------------------------------------
# rules.vc --
#
#	Microsoft Visual C++ makefile include for decoding the commandline
#	macros.  This file does not need editing to build Tcl.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

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# rules.vc --
#
#	Microsoft Visual C++ makefile include for decoding the commandline
#	macros.  This file does not need editing to build Tcl.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
︙︙
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!endif

#----------------------------------------------------------
# Test for compiler features
#----------------------------------------------------------

### test for optimizations
!if [nmakehlp -c -Ot]
!message *** Compiler has 'Optimizations'
OPTIMIZING	= 1
!else
!message *** Compiler does not have 'Optimizations'
OPTIMIZING	= 0
!endif

OPTIMIZATIONS   =

!if [nmakehlp -c -Ot]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Ot
!endif



!if [nmakehlp -c -Oi]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Oi
!endif



!if [nmakehlp -c -Op]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Op
!endif


!if [nmakehlp -c -fp:strict]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -fp:strict
!endif

!if [nmakehlp -c -Gs]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Gs
!endif

!if [nmakehlp -c -GS]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -GS
!endif



!if [nmakehlp -c -GL]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -GL
!endif

DEBUGFLAGS     =

!if [nmakehlp -c -RTC1]








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!endif

#----------------------------------------------------------
# Test for compiler features
#----------------------------------------------------------

### test for optimizations
!if [nmakehlp -c -O2]
!message *** Compiler has 'Optimizations'
OPTIMIZING	= 1
!else
!message *** Compiler does not have 'Optimizations'
OPTIMIZING	= 0
!endif

# /O2 optimization includes /Og /Oi /Ot /Oy /Ob2 /Gs /GF /Gy as per
# documentation. Note we do NOT want /Gs as that inserts a _chkstk
# stack probe at *every* function entry, not just those with more than
# a page of stack allocation resulting in a performance hit.  However,
# /O2 documentation is misleading as its stack probes are simply the
# default page size locals allocation probes and not what is implied
# by an explicit /Gs option.


OPTIMIZATIONS   = -O2


# -Op improves float consistency. Note only needed for older compilers
# Newer compilers do not need or support this option.
!if [nmakehlp -c -Op]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -Op
!endif

# Strict floating point semantics
!if [nmakehlp -c -fp:strict]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -fp:strict
!endif




# Enable security checks for buffer overflows
!if [nmakehlp -c -GS]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -GS
!endif

# Whole program optimization. Note this makes the generated libraries
# potentially incompatible with other versions of Visual C++
!if [nmakehlp -c -GL]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -GL
!endif

DEBUGFLAGS     =

!if [nmakehlp -c -RTC1]
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