Enable MinGW cross-compilation of lpsolve

lpsolve/lp_solve_5.5.patch

 --- misc/lp_solve_5.5/lpsolve55/ccc	Sat Jun 11 21:27:18 2005
 +++ misc/build/lp_solve_5.5/lpsolve55/ccc	Wed May 21 17:19:56 2008
-@@ -1,5 +1,5 @@
+@@ -1,11 +1,20 @@
  src='../lp_MDO.c ../shared/commonlib.c ../shared/mmio.c ../shared/myblas.c ../ini.c ../fortify.c ../colamd/colamd.c ../lp_rlp.c ../lp_crash.c ../bfp/bfp_LUSOL/lp_LUSOL.c ../bfp/bfp_LUSOL/LUSOL/lusol.c ../lp_Hash.c ../lp_lib.c ../lp_wlp.c ../lp_matrix.c ../lp_mipbb.c ../lp_MPS.c ../lp_params.c ../lp_presolve.c ../lp_price.c ../lp_pricePSE.c ../lp_report.c ../lp_scale.c ../lp_simplex.c ../lp_SOS.c ../lp_utils.c ../yacc_read.c'
 -c=cc
 +c=$CC
  
  def=
  so=
++soprefix=
++libs=
++pic=
++ldflags=
++inline=
+-if [ "$PLATFORM" = "SCO_UNIX" ]
+-then def='-dy -K PIC -DNOLONGLONG'
+-     dl=-lc
+-else dl=-ldl
+-     so=y
++if [ "$GUI" = "WNT" -a "$COM" = "GCC" ]; then
++     so=dll
++     inline=-DINLINE=static
++else
++     so=so
++     soprefix=lib
++     libs=-lc -lm -ldl
++     pic=-fpic
++     ldflags=-Wl,-Bsymbolic -Wl,-soname,liblpsolve55.$so
+ fi
+@@ -19,3 +19,3 @@
+-  $c -fpic -s -c -I.. -I../shared -I../bfp -I../bfp/bfp_LUSOL -I../bfp/bfp_LUSOL/LUSOL -I../colamd -I. $opts -DYY_NEVER_INTERACTIVE -DPARSER_LP -DINVERSE_ACTIVE=INVERSE_LUSOL -DRoleIsExternalInvEngine $src
+-  $c -shared -Wl,-Bsymbolic -Wl,-soname,liblpsolve55.so -o liblpsolve55.so `echo $src|sed s/[.]c/.o/g|sed 's/[^ ]*\///g'` -lc -lm -ldl
++  $c $pic -s $inline -c -I.. -I../shared -I../bfp -I../bfp/bfp_LUSOL -I../bfp/bfp_LUSOL/LUSOL -I../colamd -I. $opts -DYY_NEVER_INTERACTIVE -DPARSER_LP -DINVERSE_ACTIVE=INVERSE_LUSOL -DRoleIsExternalInvEngine $src
++  $c -shared $ldflags -o ${soprefix}lpsolve55.$so `echo $src|sed s/[.]c/.o/g|sed 's/[^ ]*\///g'` $libs
+ fi
 --- misc/lp_solve_5.5/lpsolve55/ccc.os2	2008-11-26 12:49:36.000000000 +0100
 +++ misc/build/lp_solve_5.5/lpsolve55/ccc.os2	2008-09-25 17:27:48.000000000 +0200
 @@ -1 +1,13 @@

lpsolve/makefile.mk

@@ -39,7 +39,7 @@ TARGET=lpsolve
 TARFILE_NAME=lp_solve_5.5
 TARFILE_MD5=26b3e95ddf3d9c077c480ea45874b3b8
 
-.IF "$(GUI)"=="WNT"
+.IF "$(GUI_FOR_BUILD)"=="WNT"
 PATCH_FILES=lp_solve_5.5-windows.patch
 .ELSE
 PATCH_FILES=\
@@ -65,8 +65,13 @@ lpsolve_LDFLAGS=-shared-libgcc
 .IF "$(MINGW_SHARED_GXXLIB)"=="YES"
 lpsolve_LIBS=$(MINGW_SHARED_LIBSTDCPP)
 .ENDIF
+.IF "$(GUI_FOR_BUILD)"=="WNT"
 BUILD_ACTION=lpsolve_LDFLAGS=$(lpsolve_LDFLAGS) lpsolve_LIBS=$(lpsolve_LIBS) cmd /c cgcc.bat
 .ELSE
+BUILD_ACTION=sh ccc
+OUT2LIB=$(BUILD_DIR)$/liblpsolve55.a
+.ENDIF
+.ELSE
 BUILD_ACTION=cmd /c cvc6.bat
 OUT2LIB=$(BUILD_DIR)$/lpsolve55.lib
 .ENDIF