Remove non-language implicit link dependencies

Some compilers use implicit link options of the form

  -lcrt*.o
  -lgcc*
  -lSystem      (on Mac)
  -lSystemStubs (on Mac)

that provide system-wide symbols not specific to any language.
These need not be listed explicitly for mixed-language linking.

We teach CMake to remove the above items from the implicit library list
of each language.  This change makes it possible to mix GNU compiler
versions in some cases.

1 files changed, 15 insertions, 15 deletions

diff --git a/Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in b/Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in
index 8231990..e8bf231 100644
--- a/Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in
+++ b/Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in
@@ -7,19 +7,19 @@ include(${CMAKE_ROOT}/Modules/CMakeParseImplicitLinkInfo.cmake)
 
 # gcc dummy.c -v
 set(linux64_gcc_text " /usr/lib/gcc/x86_64-linux-gnu/4.3.3/collect2 --eh-frame-hdr -m elf_x86_64 --hash-style=both -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crt1.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtbegin.o -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../.. -L/usr/lib/x86_64-linux-gnu /tmp/ccEO9iux.o -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtend.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crtn.o")
-set(linux64_gcc_libs "gcc;gcc_s;c;gcc;gcc_s")
+set(linux64_gcc_libs "c")
 set(linux64_gcc_dirs "/usr/lib/gcc/x86_64-linux-gnu/4.3.3;/usr/lib;/lib;/usr/lib/x86_64-linux-gnu")
 list(APPEND platforms linux64_gcc)
 
 # g++ dummy.cxx -v
 set(linux64_g++_text " /usr/lib/gcc/x86_64-linux-gnu/4.3.3/collect2 --eh-frame-hdr -m elf_x86_64 --hash-style=both -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crt1.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtbegin.o -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../.. -L/usr/lib/x86_64-linux-gnu /tmp/ccalRBlq.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtend.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crtn.o")
-set(linux64_g++_libs "stdc++;m;gcc_s;gcc;c;gcc_s;gcc")
+set(linux64_g++_libs "stdc++;m;c")
 set(linux64_g++_dirs "/usr/lib/gcc/x86_64-linux-gnu/4.3.3;/usr/lib;/lib;/usr/lib/x86_64-linux-gnu")
 list(APPEND platforms linux64_g++)
 
 # f95 dummy.f -v
 set(linux64_f95_text " /usr/lib/gcc/x86_64-linux-gnu/4.3.3/collect2 --eh-frame-hdr -m elf_x86_64 --hash-style=both -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crt1.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtbegin.o -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../.. -L/usr/lib/x86_64-linux-gnu /tmp/ccAVcN7N.o -lgfortranbegin -lgfortran -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/lib/gcc/x86_64-linux-gnu/4.3.3/crtend.o /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crtn.o")
-set(linux64_f95_libs "gfortranbegin;gfortran;m;gcc_s;gcc;c;gcc_s;gcc")
+set(linux64_f95_libs "gfortranbegin;gfortran;m;c")
 set(linux64_f95_dirs "/usr/lib/gcc/x86_64-linux-gnu/4.3.3;/usr/lib;/lib;/usr/lib/x86_64-linux-gnu")
 list(APPEND platforms linux64_f95)
 
@@ -43,37 +43,37 @@ list(APPEND platforms linux64_sunf90)
 
 # icc dummy.c -v
 set(linux64_icc_text "ld    /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crt1.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtbegin.o --eh-frame-hdr -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o a.out /tmp/iccBP8OfN.o -L/opt/compiler/intel/compiler/11.0/lib/intel64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../x86_64-suse-linux/lib -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../.. -L/lib64 -L/lib -L/usr/lib64 -L/usr/lib -Bstatic -limf -lsvml -Bdynamic -lm -Bstatic -lipgo -ldecimal -lirc -Bdynamic -lgcc_s -lgcc -Bstatic -lirc -Bdynamic -lc -lgcc_s -lgcc -Bstatic -lirc_s -Bdynamic -ldl -lc /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtend.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crtn.o")
-set(linux64_icc_libs "imf;svml;m;ipgo;decimal;irc;gcc_s;gcc;irc;c;gcc_s;gcc;irc_s;dl;c")
+set(linux64_icc_libs "imf;svml;m;ipgo;decimal;irc;irc;c;irc_s;dl;c")
 set(linux64_icc_dirs "/opt/compiler/intel/compiler/11.0/lib/intel64;/usr/lib64/gcc/x86_64-suse-linux/4.1.2;/usr/lib64;/lib64;/usr/x86_64-suse-linux/lib;/lib;/usr/lib")
 list(APPEND platforms linux64_icc)
 
 # icxx dummy.cxx -v
 set(linux64_icxx_text "ld    /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crt1.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtbegin.o --eh-frame-hdr -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o a.out /tmp/icpc270GoT.o -L/opt/compiler/intel/compiler/11.0/lib/intel64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../x86_64-suse-linux/lib -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../.. -L/lib64 -L/lib -L/usr/lib64 -L/usr/lib -Bstatic -limf -lsvml -Bdynamic -lm -Bstatic -lipgo -ldecimal -Bdynamic -lstdc++ -Bstatic -lirc -Bdynamic -lgcc_s -lgcc -Bstatic -lirc -Bdynamic -lc -lgcc_s -lgcc -Bstatic -lirc_s -Bdynamic -ldl -lc /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtend.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crtn.o")
-set(linux64_icxx_libs "imf;svml;m;ipgo;decimal;stdc++;irc;gcc_s;gcc;irc;c;gcc_s;gcc;irc_s;dl;c")
+set(linux64_icxx_libs "imf;svml;m;ipgo;decimal;stdc++;irc;irc;c;irc_s;dl;c")
 set(linux64_icxx_dirs "/opt/compiler/intel/compiler/11.0/lib/intel64;/usr/lib64/gcc/x86_64-suse-linux/4.1.2;/usr/lib64;/lib64;/usr/x86_64-suse-linux/lib;/lib;/usr/lib")
 list(APPEND platforms linux64_icxx)
 
 # ifort dummy.f -v
 set(linux64_ifort_text "ld    --eh-frame-hdr -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o a.out -L/opt/compiler/intel/compiler/11.0/lib/intel64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../x86_64-suse-linux/lib -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../.. -L/lib64 -L/lib -L/usr/lib64 -L/usr/lib /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crt1.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtbegin.o /opt/compiler/intel/compiler/11.0/lib/intel64/for_main.o dum.cxx -Bstatic -lifport -lifcore -limf -lsvml -Bdynamic -lm -Bstatic -lipgo -lirc -Bdynamic -lpthread -lc -lgcc_s -lgcc -Bstatic -lirc_s -Bdynamic -ldl -lc /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtend.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/../../../../lib64/crtn.o")
-set(linux64_ifort_libs "ifport;ifcore;imf;svml;m;ipgo;irc;pthread;c;gcc_s;gcc;irc_s;dl;c")
+set(linux64_ifort_libs "ifport;ifcore;imf;svml;m;ipgo;irc;pthread;c;irc_s;dl;c")
 set(linux64_ifort_dirs "/opt/compiler/intel/compiler/11.0/lib/intel64;/usr/lib64/gcc/x86_64-suse-linux/4.1.2;/usr/lib64;/lib64;/usr/x86_64-suse-linux/lib;/lib;/usr/lib")
 list(APPEND platforms linux64_ifort)
 
 # pgcc dummy.c -v
 set(linux64_pgcc_text "/usr/bin/ld /usr/lib64/crt1.o /usr/lib64/crti.o /opt/compiler/pgi/linux86-64/8.0-3/lib/trace_init.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtbegin.o -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /opt/compiler/pgi/linux86-64/8.0-3/lib/pgi.ld -L/opt/compiler/pgi/linux86-64/8.0-3/lib -L/usr/lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2 /tmp/pgcc7OscXa5ur7Zk.o -rpath /opt/compiler/pgi/linux86-64/8.0-3/lib -lnspgc -lpgc -lm -lgcc -lc -lgcc /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtend.o /usr/lib64/crtn.o")
-set(linux64_pgcc_libs "nspgc;pgc;m;gcc;c;gcc")
+set(linux64_pgcc_libs "nspgc;pgc;m;c")
 set(linux64_pgcc_dirs "/opt/compiler/pgi/linux86-64/8.0-3/lib;/usr/lib64;/usr/lib64/gcc/x86_64-suse-linux/4.1.2")
 list(APPEND platforms linux64_pgcc)
 
 # pgCC dummy.cxx -v
 set(linux64_pgCC_text "/usr/bin/ld /usr/lib64/crt1.o /usr/lib64/crti.o /opt/compiler/pgi/linux86-64/8.0-3/lib/trace_init.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtbegin.o -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /opt/compiler/pgi/linux86-64/8.0-3/lib/pgi.ld -L/opt/compiler/pgi/linux86-64/8.0-3/lib -L/usr/lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2 /tmp/pgCCFhjcDt1fs1Ki.o -rpath /opt/compiler/pgi/linux86-64/8.0-3/lib -lstd -lC -lnspgc -lpgc -lm -lgcc -lc -lgcc /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtend.o /usr/lib64/crtn.o")
-set(linux64_pgCC_libs "std;C;nspgc;pgc;m;gcc;c;gcc")
+set(linux64_pgCC_libs "std;C;nspgc;pgc;m;c")
 set(linux64_pgCC_dirs "/opt/compiler/pgi/linux86-64/8.0-3/lib;/usr/lib64;/usr/lib64/gcc/x86_64-suse-linux/4.1.2")
 list(APPEND platforms linux64_pgCC)
 
 # pgf90 dummy.f -v
 set(linux64_pgf90_text "/usr/bin/ld /usr/lib64/crt1.o /usr/lib64/crti.o /opt/compiler/pgi/linux86-64/8.0-3/lib/trace_init.o /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtbegin.o /opt/compiler/pgi/linux86-64/8.0-3/lib/f90main.o -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /opt/compiler/pgi/linux86-64/8.0-3/lib/pgi.ld -L/opt/compiler/pgi/linux86-64/8.0-3/lib -L/usr/lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.1.2 /tmp/pgf90QOIc_eB9xY5h.o -rpath /opt/compiler/pgi/linux86-64/8.0-3/lib -lpgf90 -lpgf90_rpm1 -lpgf902 -lpgf90rtl -lpgftnrtl -lnspgc -lpgc -lrt -lpthread -lm -lgcc -lc -lgcc /usr/lib64/gcc/x86_64-suse-linux/4.1.2/crtend.o /usr/lib64/crtn.o")
-set(linux64_pgf90_libs "pgf90;pgf90_rpm1;pgf902;pgf90rtl;pgftnrtl;nspgc;pgc;rt;pthread;m;gcc;c;gcc")
+set(linux64_pgf90_libs "pgf90;pgf90_rpm1;pgf902;pgf90rtl;pgftnrtl;nspgc;pgc;rt;pthread;m;c")
 set(linux64_pgf90_dirs "/opt/compiler/pgi/linux86-64/8.0-3/lib;/usr/lib64;/usr/lib64/gcc/x86_64-suse-linux/4.1.2")
 list(APPEND platforms linux64_pgf90)
 
@@ -303,13 +303,13 @@ list(APPEND platforms irix64_f90_64)
 
 # gcc dummy.c -v
 set(cygwin_gcc_text " /usr/lib/gcc/i686-pc-cygwin/3.4.4/collect2.exe -Bdynamic --dll-search-prefix=cyg /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../crt0.o -L/usr/lib/gcc/i686-pc-cygwin/3.4.4 -L/usr/lib/gcc/i686-pc-cygwin/3.4.4 -L/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../.. /home/user/AppData/Local/Temp/cczg1Arh.o -lgcc -lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32 -lgcc")
-set(cygwin_gcc_libs "gcc;cygwin;user32;kernel32;advapi32;shell32;gcc")
+set(cygwin_gcc_libs "cygwin;user32;kernel32;advapi32;shell32")
 set(cygwin_gcc_dirs "/usr/lib/gcc/i686-pc-cygwin/3.4.4;/usr/lib")
 list(APPEND platforms cygwin_gcc)
 
 # g++ dummy.cxx -v
 set(cygwin_g++_text " /usr/lib/gcc/i686-pc-cygwin/3.4.4/collect2.exe -Bdynamic --dll-search-prefix=cyg /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../crt0.o -L/usr/lib/gcc/i686-pc-cygwin/3.4.4 -L/usr/lib/gcc/i686-pc-cygwin/3.4.4 -L/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../.. /home/user/AppData/Local/Temp/ccsvcDO6.o -lstdc++ -lgcc -lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32 -lgcc")
-set(cygwin_g++_libs "stdc++;gcc;cygwin;user32;kernel32;advapi32;shell32;gcc")
+set(cygwin_g++_libs "stdc++;cygwin;user32;kernel32;advapi32;shell32")
 set(cygwin_g++_dirs "/usr/lib/gcc/i686-pc-cygwin/3.4.4;/usr/lib")
 list(APPEND platforms cygwin_g++)
 
@@ -317,7 +317,7 @@ list(APPEND platforms cygwin_g++)
 set(cygwin_gfortran_text "Configured with: ... LD=/opt/gcc-tools/bin/ld.exe
  /usr/lib/gcc/i686-pc-cygwin/4.3.2/collect2.exe -Bdynamic --dll-search-prefix=cyg -u ___register_frame_info -u ___deregister_frame_info /usr/lib/gcc/i686-pc-cygwin/4.3.2/../../../crt0.o /usr/lib/gcc/i686-pc-cygwin/4.3.2/crtbegin.o -L/usr/lib/gcc/i686-pc-cygwin/4.3.2 -L/usr/lib/gcc/i686-pc-cygwin/4.3.2 -L/usr/lib/gcc/i686-pc-cygwin/4.3.2/../../.. /home/user/AppData/Local/Temp/ccqRWKWg.o -lgfortranbegin -lgfortran -lgcc_s -lgcc_s -lgcc -lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32 -lgcc_s -lgcc_s -lgcc /usr/lib/gcc/i686-pc-cygwin/4.3.2/crtend.o
 ")
-set(cygwin_gfortran_libs "gfortranbegin;gfortran;gcc_s;gcc_s;gcc;cygwin;user32;kernel32;advapi32;shell32;gcc_s;gcc_s;gcc")
+set(cygwin_gfortran_libs "gfortranbegin;gfortran;cygwin;user32;kernel32;advapi32;shell32")
 set(cygwin_gfortran_dirs "/usr/lib/gcc/i686-pc-cygwin/4.3.2;/usr/lib")
 list(APPEND platforms cygwin_gfortran)
 
@@ -326,19 +326,19 @@ list(APPEND platforms cygwin_gfortran)
 
 # gcc dummy.c -v
 set(msys_gcc_text " C:/some-mingw/bin/../libexec/gcc/mingw32/3.4.5/collect2.exe -Bdynamic /some-mingw/lib/crt2.o C:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/crtbegin.o -LC:/some-mingw/bin/../lib/gcc/mingw32/3.4.5 -LC:/some-mingw/bin/../lib/gcc -L/some-mingw/lib -LC:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/../../.. C:/home/user/AppData/Local/Temp/cckQmvRt.o -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt C:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/crtend.o")
-set(msys_gcc_libs "mingw32;gcc;moldname;mingwex;msvcrt;user32;kernel32;advapi32;shell32;mingw32;gcc;moldname;mingwex;msvcrt")
+set(msys_gcc_libs "mingw32;moldname;mingwex;msvcrt;user32;kernel32;advapi32;shell32;mingw32;moldname;mingwex;msvcrt")
 set(msys_gcc_dirs "C:/some-mingw/lib/gcc/mingw32/3.4.5;C:/some-mingw/lib/gcc;/some-mingw/lib;C:/some-mingw/lib")
 list(APPEND platforms msys_gcc)
 
 # g++ dummy.cxx -v
 set(msys_g++_text " C:/some-mingw/bin/../libexec/gcc/mingw32/3.4.5/collect2.exe -Bdynamic /some-mingw/lib/crt2.o C:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/crtbegin.o -LC:/some-mingw/bin/../lib/gcc/mingw32/3.4.5 -LC:/some-mingw/bin/../lib/gcc -L/some-mingw/lib -LC:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/../../.. C:/home/user/AppData/Local/Temp/cci5hYPk.o -lstdc++ -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt C:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/crtend.o")
-set(msys_g++_libs "stdc++;mingw32;gcc;moldname;mingwex;msvcrt;user32;kernel32;advapi32;shell32;mingw32;gcc;moldname;mingwex;msvcrt")
+set(msys_g++_libs "stdc++;mingw32;moldname;mingwex;msvcrt;user32;kernel32;advapi32;shell32;mingw32;moldname;mingwex;msvcrt")
 set(msys_g++_dirs "C:/some-mingw/lib/gcc/mingw32/3.4.5;C:/some-mingw/lib/gcc;/some-mingw/lib;C:/some-mingw/lib")
 list(APPEND platforms msys_g++)
 
 # g77 dummy.f -v
 set(msys_g77_text " C:/some-mingw/bin/../libexec/gcc/mingw32/3.4.5/collect2.exe -Bdynamic /some-mingw/lib/crt2.o C:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/crtbegin.o -LC:/some-mingw/bin/../lib/gcc/mingw32/3.4.5 -LC:/some-mingw/bin/../lib/gcc -L/some-mingw/lib -LC:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/../../.. C:/home/user/AppData/Local/Temp/ccabRxQ1.o -lfrtbegin -lg2c -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt -luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt C:/some-mingw/bin/../lib/gcc/mingw32/3.4.5/crtend.o")
-set(msys_g77_libs "frtbegin;g2c;mingw32;gcc;moldname;mingwex;msvcrt;user32;kernel32;advapi32;shell32;mingw32;gcc;moldname;mingwex;msvcrt")
+set(msys_g77_libs "frtbegin;g2c;mingw32;moldname;mingwex;msvcrt;user32;kernel32;advapi32;shell32;mingw32;moldname;mingwex;msvcrt")
 set(msys_g77_dirs "C:/some-mingw/lib/gcc/mingw32/3.4.5;C:/some-mingw/lib/gcc;/some-mingw/lib;C:/some-mingw/lib")
 list(APPEND platforms msys_g77)