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013dbcd611
Most Linux distros work around aliasing problems in Mesa by compiling with the GCC option -fno-strict-aliasing. Two examples: https://bugs.freedesktop.org/show_bug.cgi?id=6046 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=394311 This makes -fno-strict-aliasing the default with a comment that developers should consider commenting it out. There is a already a note about these bugs in docs/helpwanted.html.
31 lines
893 B
Text
31 lines
893 B
Text
# Configuration for 32 bits/channel OSMesa library on Linux
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include $(TOP)/configs/default
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CONFIG_NAME = linux-osmesa32
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# Compiler and flags
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CC = gcc
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CXX = g++
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CFLAGS = -O3 -ansi -pedantic -fPIC -ffast-math -D_POSIX_SOURCE -D_POSIX_C_SOURCE=199309L -D_SVID_SOURCE -D_BSD_SOURCE -DUSE_XSHM -DPTHREADS -I/usr/X11R6/include -DCHAN_BITS=32 -DDEFAULT_SOFTWARE_DEPTH_BITS=31
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CXXFLAGS = -O3 -ansi -pedantic -fPIC -ffast-math -D_POSIX_SOURCE -D_POSIX_C_SOURCE=199309L -D_SVID_SOURCE -D_BSD_SOURCE
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# Work around aliasing bugs - developers should comment this out
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CFLAGS += -fno-strict-aliasing
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CXXFLAGS += -fno-strict-aliasing
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# Library names
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OSMESA_LIB = OSMesa32
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OSMESA_LIB_NAME = libOSMesa32.so
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# Directories
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SRC_DIRS = mesa glu
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DRIVER_DIRS = osmesa
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PROGRAM_DIRS =
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# Dependencies
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OSMESA_LIB_DEPS = -lm -lpthread
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GLU_LIB_DEPS = -L$(TOP)/$(LIB_DIR) -l$(OSMESA_LIB)
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APP_LIB_DEPS = -lOSMesa32
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