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Overview
| Comment: | Enable optimizations for nmake builds |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
374778db1b71d1a5497ba547e59235d9 |
| User & Date: | ashok 2017-09-16 12:10:29 |
Context
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2017-09-18
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| 07:44 | Update to nmakehlp.c from Tcl with enhanced linker opts testing check-in: 5726f0204c user: ashok tags: trunk | |
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2017-09-16
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| 12:10 | Enable optimizations for nmake builds check-in: 374778db1b user: ashok tags: trunk | |
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2017-09-01
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| 15:06 | Merged changes for updating to new nmake configuration check-in: 27cfdd09ff user: ashok tags: trunk | |
Changes
Changes to win/rules.vc.
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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] |