Travis: GPG sign Linux binaries/source tarballs

Since we're still deploying our Linux/macOS CI artifacts to a web server
(specifically SourceForge Project Web Services) that doesn't support
HTTPS, it's a good idea to sign them.  But since the private key has to
be checked into the repository, we use a different key for signing the
pre-releases (per project policy, the private signing keys for our
release binaries are never made available on any public server.)
3 files changed
tree: 2c0b7dcbdfe16d8bb238945a88974f29dc6a2d83
  1. ci/
  2. cmakescripts/
  3. doc/
  4. java/
  5. md5/
  6. release/
  7. sharedlib/
  8. simd/
  9. testimages/
  10. win/
  11. .gitignore
  12. .travis.yml
  13. acinclude.m4
  14. appveyor.yml
  15. bmp.c
  16. bmp.h
  17. BUILDING.md
  18. cderror.h
  19. cdjpeg.c
  20. cdjpeg.h
  21. change.log
  22. ChangeLog.md
  23. cjpeg.1
  24. cjpeg.c
  25. CMakeLists.txt
  26. coderules.txt
  27. configure.ac
  28. djpeg.1
  29. djpeg.c
  30. doxygen-extra.css
  31. doxygen.config
  32. example.c
  33. jaricom.c
  34. jcapimin.c
  35. jcapistd.c
  36. jcarith.c
  37. jccoefct.c
  38. jccolext.c
  39. jccolor.c
  40. jcdctmgr.c
  41. jchuff.c
  42. jchuff.h
  43. jcinit.c
  44. jcmainct.c
  45. jcmarker.c
  46. jcmaster.c
  47. jcomapi.c
  48. jconfig.h.in
  49. jconfig.txt
  50. jconfigint.h.in
  51. jcparam.c
  52. jcphuff.c
  53. jcprepct.c
  54. jcsample.c
  55. jcstest.c
  56. jctrans.c
  57. jdapimin.c
  58. jdapistd.c
  59. jdarith.c
  60. jdatadst-tj.c
  61. jdatadst.c
  62. jdatasrc-tj.c
  63. jdatasrc.c
  64. jdcoefct.c
  65. jdcoefct.h
  66. jdcol565.c
  67. jdcolext.c
  68. jdcolor.c
  69. jdct.h
  70. jddctmgr.c
  71. jdhuff.c
  72. jdhuff.h
  73. jdinput.c
  74. jdmainct.c
  75. jdmainct.h
  76. jdmarker.c
  77. jdmaster.c
  78. jdmaster.h
  79. jdmerge.c
  80. jdmrg565.c
  81. jdmrgext.c
  82. jdphuff.c
  83. jdpostct.c
  84. jdsample.c
  85. jdsample.h
  86. jdtrans.c
  87. jerror.c
  88. jerror.h
  89. jfdctflt.c
  90. jfdctfst.c
  91. jfdctint.c
  92. jidctflt.c
  93. jidctfst.c
  94. jidctint.c
  95. jidctred.c
  96. jinclude.h
  97. jmemmgr.c
  98. jmemnobs.c
  99. jmemsys.h
  100. jmorecfg.h
  101. jpeg_nbits_table.h
  102. jpegcomp.h
  103. jpegint.h
  104. jpeglib.h
  105. jpegtran.1
  106. jpegtran.c
  107. jquant1.c
  108. jquant2.c
  109. jsimd.h
  110. jsimd_none.c
  111. jsimddct.h
  112. jstdhuff.c
  113. jutils.c
  114. jversion.h
  115. libjpeg.map.in
  116. libjpeg.txt
  117. LICENSE.md
  118. Makefile.am
  119. rdbmp.c
  120. rdcolmap.c
  121. rdgif.c
  122. rdjpgcom.1
  123. rdjpgcom.c
  124. rdppm.c
  125. rdrle.c
  126. rdswitch.c
  127. rdtarga.c
  128. README.ijg
  129. README.md
  130. structure.txt
  131. tjbench.c
  132. tjbenchtest.in
  133. tjbenchtest.java.in
  134. tjexampletest.in
  135. tjunittest.c
  136. tjutil.c
  137. tjutil.h
  138. transupp.c
  139. transupp.h
  140. turbojpeg-jni.c
  141. turbojpeg-mapfile
  142. turbojpeg-mapfile.jni
  143. turbojpeg.c
  144. turbojpeg.h
  145. usage.txt
  146. wizard.txt
  147. wrbmp.c
  148. wrgif.c
  149. wrjpgcom.1
  150. wrjpgcom.c
  151. wrppm.c
  152. wrppm.h
  153. wrrle.c
  154. wrtarga.c