## patchscript common with first part of that of lpsolve-extra, for ease of maintenance
# try for last digit of 'current version' the (hex) sum of the last 2 'digits' of %v (hopefully the next to last stays 0..)
comp_v=`sed -e 's,\.[^.]*$,,' <<<"$v"`
M=`sed -e 's,.*\.,,' <<<"$comp_v"`
m=`sed -e 's,.*\.,,' <<<"$v"`
cv=$(( 16*$M + $m ))
curr_v="$t.$cv"
T=`sed -e 's,\.,,g' <<<"$t"`

## for stripping:
 echo '__mh_execute_header' > symlst

### The ccc files:
## add return statement, to allow for sh -ev. Also, use %b instead of /tmp, to avoid collisions with parallel builds.
## and simplify things by not putting output in a "bin/$PLATFORM" subdir
 sed -i.bak -e "/printf/{s,main,int &,
	s,;,;return 0;,}
	s,/tmp,$b,g
	s,-l(m|dl),,
	s,bin/.PLATFORM/,,
	/bin\/.PLATFORM/d" `find . -name ccc`
## no strict-aliasing for the lib, since it gives a warning in lp_matrix.c 2357-2358)
  sed -i.orig -e "{
	/fpic/d
	s;-shared.*;*.o -dynamiclib -Wl,-x -dead_strip -exported_symbols_list ../exp_sym -compatibility_version $comp_v -current_version $curr_v -o lib${N}.$v.dylib -install_name $p/lib/lib${N}.$t.dylib;
	/^ar /c ar rc lib${N}.$v.a *.o
	s,$T,.$v,
	}" \
	-e '/opts=/s|-O3|& -fPIC -DPIC -fno-common|' ${N}$T/ccc
## for executable, use -mdynamic-no-pic, and strip. Also, link with the library:
  sed -i.orig -e "{
# use -Os here, since far from time-critical code.
	s,-O3,-Os -fstrict-aliasing -Wall -fPIC -DPIC -fno-common,
	s;\$src.*;-mdynamic-no-pic -Wl,-x -dead_strip -exported_symbols_list ../symlst lp_solve.c ../${N}$T/lib${N}.dylib -o lp_solve;
	}" lp_solve/ccc

## Dynamic library filenames on darwin end with ".dylib", not ".so". Also, give full install_name for dlopen.
  sed -i.orig -e "s,lib${N}$T.so,$p/lib/lib${N}.$t.dylib," lp_explicit.h
## hard-code the paths to the modules, for the user's convenience (preserving the possibility to specify
## a full path, absolute or relative), to avoid using a DYLD(_FALLBACK)_LIBRARY_PATH...
  sed -ri.bak -e "s:( +)  strcat\(((bfp|xli)name), \".so\"\);:&\n\1char finklib[128]=\"$p/lib/\";\n\
\1if(strrchr(\2,'/') != NULL) finklib[0]='\\\0';\n\
\1strcat(finklib,\2);:" \
	-e "s:(dlopen\().*name:\1finklib:" lp_lib.c
# Use vecLib :
 sed -i.bak -e 's;myBLAS;/System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/Versions/Current/libBLAS.dylib;' lp_lib.h
# avoid implicit declaration of isspace
 sed -i.bak -e '1i #include <ctype.h>' lp_solve/lp_solve.c
#
 sed -i.bak -e '/WIN32/,/endif/{
	/WIN32/d
	/endif/d
	}' bfp/bfp_LUSOL/lp_LUSOL.h
 sed -i.bak -e '/3, "\.so"/,+1{
	s,3,6,
	s,so,dylib,
	}' shared/{commonlib,myblas}.c
## if one wanted to remove all srcs compiled here from lpsolve-extra, one would need to uncomment the next 2 lines:
#  tr ' ' '\n'<<<"allocINT createLink firstActiveLink is_nativeBLAS load_BLAS nextActiveLink removeLink sortByINT\
# daxpy dscal idamax init_BLAS unload_BLAS allocREAL timeNow freeLink allocCHAR"|sed -r -e 's,^,   ,' >> lp_solve.def
# this would cost 596 bytes in the size of the lib, and for the so's:
# GLPK, CPLEX, LINDO: +4, LUSOL -3860, etaPFI +120, DIMACS, MathProg: -
# Thus: not worthwhile (at least not till default bfp and xli are taken out of the lib...) 
## rm irrelevant files
  rm -f xli/*/xli_* bfp/*/bfp_* */*/c*.bat */*.bat */.DS_Store
## turn the .bat scripts into usable shell scripts
  find . -name '*.bat' | xargs sed -i.bak -e 's,^del,rm,' -e 's,\r$,,' -e '/^rem /d'