Linux/PPC: Only enable AltiVec if CPU supports it

This eliminates "illegal instruction" errors when running libjpeg-turbo
under Linux on PowerPC chips that lack AltiVec support (e.g. the old
7XX/G3 models but also the newer e5500 series.)
3 files changed
tree: 8157ef54f1eac6f2ac0329da6f6f5c88f99c50c9
  1. cmakescripts/
  2. doc/
  3. java/
  4. md5/
  5. release/
  6. sharedlib/
  7. simd/
  8. testimages/
  9. win/
  10. .gitignore
  11. acinclude.m4
  12. bmp.c
  13. bmp.h
  14. BUILDING.md
  15. cderror.h
  16. cdjpeg.c
  17. cdjpeg.h
  18. change.log
  19. ChangeLog.md
  20. cjpeg.1
  21. cjpeg.c
  22. CMakeLists.txt
  23. coderules.txt
  24. configure.ac
  25. djpeg.1
  26. djpeg.c
  27. doxygen-extra.css
  28. doxygen.config
  29. example.c
  30. jaricom.c
  31. jcapimin.c
  32. jcapistd.c
  33. jcarith.c
  34. jccoefct.c
  35. jccolext.c
  36. jccolor.c
  37. jcdctmgr.c
  38. jchuff.c
  39. jchuff.h
  40. jcinit.c
  41. jcmainct.c
  42. jcmarker.c
  43. jcmaster.c
  44. jcomapi.c
  45. jconfig.h.in
  46. jconfig.txt
  47. jconfigint.h.in
  48. jcparam.c
  49. jcphuff.c
  50. jcprepct.c
  51. jcsample.c
  52. jcstest.c
  53. jctrans.c
  54. jdapimin.c
  55. jdapistd.c
  56. jdarith.c
  57. jdatadst-tj.c
  58. jdatadst.c
  59. jdatasrc-tj.c
  60. jdatasrc.c
  61. jdcoefct.c
  62. jdcoefct.h
  63. jdcol565.c
  64. jdcolext.c
  65. jdcolor.c
  66. jdct.h
  67. jddctmgr.c
  68. jdhuff.c
  69. jdhuff.h
  70. jdinput.c
  71. jdmainct.c
  72. jdmainct.h
  73. jdmarker.c
  74. jdmaster.c
  75. jdmaster.h
  76. jdmerge.c
  77. jdmrg565.c
  78. jdmrgext.c
  79. jdphuff.c
  80. jdpostct.c
  81. jdsample.c
  82. jdsample.h
  83. jdtrans.c
  84. jerror.c
  85. jerror.h
  86. jfdctflt.c
  87. jfdctfst.c
  88. jfdctint.c
  89. jidctflt.c
  90. jidctfst.c
  91. jidctint.c
  92. jidctred.c
  93. jinclude.h
  94. jmemmgr.c
  95. jmemnobs.c
  96. jmemsys.h
  97. jmorecfg.h
  98. jpeg_nbits_table.h
  99. jpegcomp.h
  100. jpegint.h
  101. jpeglib.h
  102. jpegtran.1
  103. jpegtran.c
  104. jquant1.c
  105. jquant2.c
  106. jsimd.h
  107. jsimd_none.c
  108. jsimddct.h
  109. jstdhuff.c
  110. jutils.c
  111. jversion.h
  112. libjpeg.map.in
  113. libjpeg.txt
  114. LICENSE.md
  115. Makefile.am
  116. rdbmp.c
  117. rdcolmap.c
  118. rdgif.c
  119. rdjpgcom.1
  120. rdjpgcom.c
  121. rdppm.c
  122. rdrle.c
  123. rdswitch.c
  124. rdtarga.c
  125. README.ijg
  126. README.md
  127. structure.txt
  128. tjbench.c
  129. tjbenchtest.in
  130. tjbenchtest.java.in
  131. tjexampletest.in
  132. tjunittest.c
  133. tjutil.c
  134. tjutil.h
  135. transupp.c
  136. transupp.h
  137. turbojpeg-jni.c
  138. turbojpeg-mapfile
  139. turbojpeg-mapfile.jni
  140. turbojpeg.c
  141. turbojpeg.h
  142. usage.txt
  143. wizard.txt
  144. wrbmp.c
  145. wrgif.c
  146. wrjpgcom.1
  147. wrjpgcom.c
  148. wrppm.c
  149. wrppm.h
  150. wrrle.c
  151. wrtarga.c