Changeset 32248 for gs2-extensions/xpdf-tools/trunk/src/packages/CASCADE-MAKE

Timestamp:

2018-07-06T21:31:53+12:00 (6 years ago)

Author:

ak19

Message:

1. Overhaul to the GS-README for the xpdf-tools extension. 2. Moved a lot of verbose comments that explain reasonings behind doing things from gs-CMakeLists.txt and somewhat from XPDFTOOLS.sh

File:

• gs2-extensions/xpdf-tools/trunk/src/packages/CASCADE-MAKE/XPDFTOOLS.sh (modified) (2 diffs)

gs2-extensions/xpdf-tools/trunk/src/packages/CASCADE-MAKE/XPDFTOOLS.sh

@@ -19 +19 @@
 export LDFLAGS="$LDFLAGS -L$GEXTXPDFTOOLS_INSTALLED/lib"
 
-# For Mac OSX, when -static is passed in for linking, we end up with the error "ld: library not found for -lcrt0.o"
-# See https://stackoverflow.com/questions/3801011/ld-library-not-found-for-lcrt0-o-on-osx-10-6-with-gcc-clang-static-flag
-# On Mac OSX, compile it with -Bstatic instead, as per https://stackoverflow.com/questions/844819/how-to-static-link-on-os-x
-# We will pass in the correct static variant as the custom GSDLFLAG_STATIC, so it will be set to either "-static" (for linux)
-# or "-Bstatic" for darwin when CMake starts compiling up xpdf-tools. When the GSDLFLAG_STATIC is set, it will also trigger
-# the branch of the gs-CMakeLists.txt code that does static compiling. If not set, xpdf-tools are compiled against dynamically
-# linked libraries.
+# See section D, 4c of the GS-README of this extension.
 if [ "x$GSDLOS" == "xdarwin" ] ; then
     static_flag=-Bstatic
@@ -103 +97 @@
 fi
 
-# If compiling statically, need these above in place of the references to .so files
+## If compiling statically make sure the above CMake command contains the following
+## with these values:
 #       -DZLIB_LIBRARY=$prefix/lib/libz.a \
 #       -DPNG_LIBRARY=$prefix/lib/libpng15.a \
 #       -DFREETYPE_LIBRARY=$prefix/lib/libfreetype.a \
-# And throw in -DGSDLFLAG_STATIC_BUILD="-static" for linux or with "-Bstatic" for Macs
-# In place of FREETYPE_LIBRARY, could also try the following (then check built bins
-# by running ldd and file over them):
-##      -DFREETYPE_DIR=$prefix \
+# and
+#       -DGSDLFLAG_STATIC="$static_flag" \
 
 
-## When -DFREETYPE_DIR is used in place of -DFREETYPE_LIBRARY above, it makes
-## xpdf-tools compilation find the "libfreetype.so" (no versioning at end) in
-## our gs ext.
-## But -DZLIB_DIR and -DPNG_DIR are ignored because they go unrecognised, whereas
-## -DZLIB_LIBRARY and -DPNG_LIBRARY are recognised by XpdfTools' CMake files.
-## -DZLIB_LIBRARY and -DPNG_LIBRARY require full paths. So the first 2 lines of the
-## following won't work:
-#       -DZLIB_DIR=$prefix \
-#       -DPNG_DIR=$prefix \
-#       -DFREETYPE_DIR=$prefix \
-
-## When specified in the following way, all 3 lines are recognised (freetype, zlib,
-## png). The 3rd line can alternatively still use "-DFREETYPE_DIR=$prefix"
+## For building dynamic xpdf-tools executables, change the above to have the following instead:
 #       -DZLIB_LIBRARY=$prefix/lib/libz.so.1.2.7 \
 #       -DPNG_LIBRARY=$prefix/lib/libpng15.so.15.30.0 \
 #       -DFREETYPE_LIBRARY=$prefix/lib/libfreetype.so.6.3.20 \
-# The above is for building dynamic xpdf-tools executables. For which, also don't
-# pass in -DGSDLFLAG_STATIC_BUILD="..." (remove the line, don't comment it out, nor
-# set the value to "")
+# (The 3rd line can alternatively be "-DFREETYPE_DIR=$prefix")
+# And remove the following line. Don't comment it out, nor set it to "", but remove it:
+#       -DGSDLFLAG_STATIC="$static_flag" \
+
 
 # If compilation was successful, then we don't need cmake binaries anymore when