Dear GNUsteppers,
I had tried to build GWorkspace with PDFKit at MSYS2/MINGW32 but failed.
(PDFKit is from gap svn)
>From configure :
checking for PDFKit... no
configure: The PDFKit framework can't be found.
configure: The pdf viewer will not be built.
configure: creating ./config.status
>From config.log:
configure:3552: checking for PDFKit
configure:3568: gcc -o conftest.exe -xobjective-c -MMD -MP -DGNUSTEP
-DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1
-DGNUSTEP_BASE_LIBRARY=1 -DGNUSTEP_WITH_DLL -fno-strict-aliasing
-fexceptions -fobjc-exceptions -D_NATIVE_OBJC_EXCEPTIONS
-fno-omit-frame-pointer -Wall -DGSWARN -DGSDIAGNOSE -Wno-import -g -O2
-fgnu-runtime -fconstant-string-class=NSConstantString -I.
-I/home/Nil/GNUstep/Library/Headers
-I/mingw32/GNUstep/Local/Library/Headers
-I/mingw32/GNUstep/System/Library/Headers -Wl,--enable-auto-import
-shared-libgcc -fexceptions -fgnu-runtime
-L/home/Nil/GNUstep/Library/Libraries
-L/mingw32/GNUstep/Local/Library/Libraries
-L/mingw32/GNUstep/System/Library/Libraries -lgnustep-gui -lgnustep-base
-lobjc -lws2_32 -ladvapi32 -lcomctl32 -luser32 -lcomdlg32 -lmpr -lnetapi32
-lm -I. conftest.c -lPDFKit >&5
D:\msys64\tmp\ccFCMPS5.o: In function `main':
D:\msys64\home\Nil\gnustep\modules\usr-apps\gworkspace\Inspector/conftest.c:31:
undefined reference to `objc_get_class'
D:\msys64\home\Nil\gnustep\modules\usr-apps\gworkspace\Inspector/conftest.c:31:
undefined reference to `objc_msg_lookup'
D:\msys64\tmp\ccFCMPS5.o: In function `_objc_gnu_init':
D:\msys64\home\Nil\gnustep\modules\usr-apps\gworkspace\Inspector/conftest.c:34:
undefined reference to `__objc_exec_class'
collect2.exe: error: ld returned 1 exit status
---------------------------------------------------------
Googling says "You can either instruct the linker to link the libraries
even if the symbols are not encountered using -Wl,--no-as-needed linker
option as
gcc `gnustep-config --objc-flags` -Wl,--no-as-needed -lgnustep-base
h.m -o hello
Or better yet just move the source to the beginning of the compilation
command as
gcc h.m `gnustep-config --objc-flags` -lgnustep-base -o hello"
--------------------------------------
gcc conftest.c -o conftest.exe -xobjective-c -MMD -MP -DGNUSTEP
-DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1
-DGNUSTEP_BASE_LIBRARY=1 -DGNUSTEP_WITH_DLL -fno-strict-aliasing
-fexceptions -fobjc-exceptions -D_NATIVE_OBJC_EXCEPTIONS
-fno-omit-frame-pointer -Wall -DGSWARN -DGSDIAGNOSE -Wno-import -g -O2
-fgnu-runtime -fconstant-string-class=NSConstantString -I.
-I/mingw32/GNUstep/Local/Library/Headers
-I/mingw32/GNUstep/System/Library/Headers -Wl,--enable-auto-import
-shared-libgcc -fexceptions -fgnu-runtime
-L/home/Nil/GNUstep/Library/Libraries
-L/mingw32/GNUstep/Local/Library/Libraries
-L/mingw32/GNUstep/System/Library/Libraries -lgnustep-gui -lgnustep-base
-lobjc -lws2_32 -ladvapi32 -lcomctl32 -luser32 -lcomdlg32 -lmpr
-lnetapi32 -lm -I. -lPDFKit >&5
makes too many compile errors(so omitted)
-----------------------------------------
exchanging "conftest.c" into "conftest.m" makes no error.
configure script may need changes. Does any suggestion?
(PS) Building PDFKit needs 'make LDFLAGS="-lgdi32"' at MSYS2/MINGW32.
Building libobjc2 needs "-lpthread" CMakeCache.txt at MSYS2/clang.
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