Mercurial > octave
comparison configure.in @ 9523:0ce82753dd72
more configure changes for libraries
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 13 Aug 2009 18:20:31 -0400 |
parents | ee99f9f37505 |
children | 592a959b68e5 |
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9522:e79470be3ecb | 9523:0ce82753dd72 |
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424 | 424 |
425 ### Check for the QHull library | 425 ### Check for the QHull library |
426 | 426 |
427 OCTAVE_CHECK_LIBRARY(qhull, QHull, | 427 OCTAVE_CHECK_LIBRARY(qhull, QHull, |
428 [Qhull library not found -- this will result in loss of functionality of some geometry functions.], | 428 [Qhull library not found -- this will result in loss of functionality of some geometry functions.], |
429 [qhull/qhull_a.h], [qh_qhull], | 429 [qhull/qhull_a.h], [qh_qhull], [], [], |
430 [warn_qhull= | 430 [warn_qhull= |
431 OCTAVE_CHECK_QHULL_VERSION | 431 OCTAVE_CHECK_QHULL_VERSION |
432 OCTAVE_CHECK_QHULL_OK([TEXINFO_QHULL="@set HAVE_QHULL" | 432 OCTAVE_CHECK_QHULL_OK([TEXINFO_QHULL="@set HAVE_QHULL" |
433 AC_DEFINE(HAVE_QHULL, 1, [Define if QHull is available.])], [ | 433 AC_DEFINE(HAVE_QHULL, 1, [Define if QHull is available.])], [ |
434 warn_qhull="Qhull library found, but seems not to work properly -- this will result in loss of functionality of some geometry functions. Please try recompiling the library with -fno-strict-aliasing."])]) | 434 warn_qhull="Qhull library found, but seems not to work properly -- this will result in loss of functionality of some geometry functions. Please try recompiling the library with -fno-strict-aliasing."])]) |
557 warn_zlib="ZLIB library not found. Octave will not be able to save or load compressed data files or HDF5 files." | 557 warn_zlib="ZLIB library not found. Octave will not be able to save or load compressed data files or HDF5 files." |
558 AC_MSG_WARN($warn_zlib) | 558 AC_MSG_WARN($warn_zlib) |
559 fi | 559 fi |
560 AC_SUBST(HDF5_LIBS) | 560 AC_SUBST(HDF5_LIBS) |
561 | 561 |
562 # Checks for FFTW header and library. | 562 # Subdirectories of libcruft to build if they aren't found on the system: |
563 | |
564 # subdirectories of libcruft to build if they aren't found on the system: | |
565 FFT_DIR="fftpack" | 563 FFT_DIR="fftpack" |
566 AC_SUBST(FFT_DIR) | 564 AC_SUBST(FFT_DIR) |
567 | 565 |
568 # Installed fftw library, if any. | 566 # Checks for FFTW header and library. |
569 FFTW_LIBS='' | 567 |
570 AC_SUBST(FFTW_LIBS) | 568 OCTAVE_CHECK_LIBRARY(fftw3, FFTW3, |
571 | 569 [FFTW3 library not found. The slower FFTPACK library will be used instead.], |
572 AC_ARG_WITH(fftw, | 570 [fftw3.h], [fftw_plan_dft_1d]) |
573 [AS_HELP_STRING([--without-fftw], | 571 |
574 [use included fftpack instead of installed fftw])], | 572 OCTAVE_CHECK_LIBRARY(fftw3f, FFTW3F, |
575 with_fftw=$withval, with_fftw=yes) | 573 [FFTW3F library not found. The slower FFTPACK library will be used instead.], |
576 | 574 [fftw3.h], [fftwf_plan_dft_1d]) |
577 if test "$with_fftw" = yes; then | 575 |
578 have_fftw3_header=no | 576 if test -n "$FFTW3_LIBS" && test -n "$FFTW3F_LIBS"; then |
579 with_fftw3=no | 577 FFT_DIR= |
580 AC_CHECK_HEADER(fftw3.h, [have_fftw3_header=yes]) | |
581 if test "$have_fftw3_header" = yes; then | |
582 AC_CHECK_LIB(fftw3, fftw_plan_dft_1d, [ | |
583 AC_CHECK_LIB(fftw3f, fftwf_plan_dft_1d, [FFTW_LIBS="-lfftw3 -lfftw3f"; with_fftw3=yes])]) | |
584 fi | |
585 fi | |
586 | |
587 if test "$with_fftw" = yes && test "$with_fftw3" = yes; then | |
588 FFT_DIR='' | |
589 AC_DEFINE(HAVE_FFTW3, 1, [Define if the FFTW3 library is used.]) | |
590 else | |
591 warn_fftw="FFTW library not found. Octave will use the (slower) FFTPACK library instead." | |
592 AC_MSG_WARN($warn_fftw) | |
593 fi | 578 fi |
594 | 579 |
595 # Checks for GLPK header and library. | 580 # Checks for GLPK header and library. |
596 | 581 |
597 AC_ARG_WITH(glpk, | 582 OCTAVE_CHECK_LIBRARY(glpk, GLPK, |
598 [AS_HELP_STRING([--without-glpk], [don't use GLPK])], | 583 [GLPK library not found. The glpk function for solving linear programs will be disabled.], |
599 with_glpk=$withval, with_glpk=yes) | 584 [glpk/glpk.h glpk.h], [_glp_lpx_simplex]) |
600 | |
601 glpk_lib= | |
602 if test "$with_glpk" = yes; then | |
603 glpk_lib="glpk" | |
604 elif test "$with_glpk" != no; then | |
605 glpk_lib="$with_glpk" | |
606 fi | |
607 | |
608 GLPK_LIBS= | |
609 if test -n "$glpk_lib"; then | |
610 AC_CHECK_HEADERS([glpk/glpk.h glpk.h], [ | |
611 AC_CHECK_LIB($glpk_lib, glp_lpx_simplex, [ | |
612 GLPK_LIBS="-l$glpk_lib" | |
613 AC_DEFINE(GLPK_PRE_4_14, 1, [Define if GLPK version is less than 4.14.])], [ | |
614 AC_CHECK_LIB($glpk_lib, _glp_lpx_simplex, [ | |
615 GLPK_LIBS="-l$glpk_lib"], [])]) | |
616 | |
617 if test -n "$GLPK_LIBS"; then | |
618 AC_DEFINE(HAVE_GLPK, 1, [Define if GLPK is available.]) | |
619 fi | |
620 break]) | |
621 fi | |
622 AC_SUBST(GLPK_LIBS) | |
623 if test -z "$GLPK_LIBS"; then | |
624 warn_glpk="GLPK library not found. The glpk function for solving linear programs will be disabled." | |
625 AC_MSG_WARN($warn_glpk) | |
626 fi | |
627 | 585 |
628 # Checks for CURL header and library. | 586 # Checks for CURL header and library. |
629 | 587 |
630 OCTAVE_CHECK_LIBRARY(curl, cURL, | 588 OCTAVE_CHECK_LIBRARY(curl, cURL, |
631 [cURL library not found. The urlread and urlwrite functions will be disabled.], | 589 [cURL library not found. The urlread and urlwrite functions will be disabled.], |
909 if test -n "$warn_qrupdate"; then | 867 if test -n "$warn_qrupdate"; then |
910 AC_MSG_WARN($warn_qrupdate) | 868 AC_MSG_WARN($warn_qrupdate) |
911 fi | 869 fi |
912 | 870 |
913 # Check for AMD library | 871 # Check for AMD library |
914 AMD_LIBS= | 872 |
915 AC_SUBST(AMD_LIBS) | 873 OCTAVE_CHECK_LIBRARY(amd, AMD, |
916 | 874 [AMD library not found. This will result in some lack of functionality for sparse matrices.], |
917 AC_ARG_WITH(amd, | 875 [suitesparse/amd.h ufsparse/amd.h amd/amd.h amd.h], |
918 [AS_HELP_STRING([--without-amd], | 876 [amd_postorder], |
919 [don't use AMD, disable some sparse functionality])], | 877 [], [don't use AMD library, disable some sparse functionality]) |
920 with_amd=$withval, with_amd=yes) | |
921 | |
922 warn_amd="AMD not found. This will result in some lack of functionality for sparse matrices." | |
923 if test "$with_amd" = yes; then | |
924 with_amd=no | |
925 AC_CHECK_HEADERS([suitesparse/amd.h ufsparse/amd.h amd/amd.h amd.h], [ | |
926 AC_CHECK_LIB(amd, amd_postorder, [AMD_LIBS="-lamd"; with_amd=yes]) | |
927 if test "$with_amd" = yes; then | |
928 AC_DEFINE(HAVE_AMD, 1, [Define if the AMD library is used.]) | |
929 warn_amd= | |
930 fi | |
931 break]) | |
932 fi | |
933 if test -n "$warn_amd"; then | |
934 AC_MSG_WARN($warn_amd) | |
935 fi | |
936 | 878 |
937 # Check for CAMD library | 879 # Check for CAMD library |
938 CAMD_LIBS= | 880 |
939 AC_SUBST(CAMD_LIBS) | 881 OCTAVE_CHECK_LIBRARY(camd, CAMD, |
940 AC_CHECK_LIB(camd, camd_postorder, [CAMD_LIBS="-lcamd"; with_camd=yes],[with_camd=no]) | 882 [CAMD library not found. This will result in some lack of functionality for sparse matrices.], |
883 [suitesparse/camd.h ufsparse/camd.h amd/camd.h camd.h], | |
884 [camd_postorder], | |
885 [], [don't use CAMD library, disable some sparse functionality]) | |
886 | |
887 # Check for COLAMD library | |
888 | |
889 OCTAVE_CHECK_LIBRARY(colamd, COLAMD, | |
890 [COLAMD library not found. This will result in some lack of functionality for sparse matrices.], | |
891 [suitesparse/colamd.h ufsparse/colamd.h amd/colamd.h colamd.h], | |
892 [colamd], | |
893 [], [don't use COLAMD library, disable some sparse functionality]) | |
894 | |
895 # Check for CCOLAMD library | |
896 | |
897 OCTAVE_CHECK_LIBRARY(ccolamd, CCOLAMD, | |
898 [CCOLAMD library not found. This will result in some lack of functionality for sparse matrices.], | |
899 [suitesparse/ccolamd.h ufsparse/ccolamd.h amd/ccolamd.h ccolamd.h], | |
900 [ccolamd], | |
901 [], [don't use CCOLAMD library, disable some sparse functionality]) | |
902 | |
903 # Check for CHOLMOD library. If your cholmod library requires cblas, | |
904 # then you will need to configure with --with-cholmod="-lcholmod -lcblas". | |
905 | |
906 save_LIBS="$LIBS" | |
907 LIBS="$BLAS_LIBS $FLIBS $LIBS" | |
908 OCTAVE_CHECK_LIBRARY(cholmod, CHOLMOD, | |
909 [CHOLMOD library not found. This will result in some lack of functionality for sparse matrices.], | |
910 [suitesparse/cholmod.h ufsparse/cholmod.h cholmod/cholmod.h cholmod.h], | |
911 [cholmod_start], | |
912 [], [don't use CHOLMOD library, disable some sparse functionality]) | |
913 LIBS="$save_LIBS" | |
914 | |
915 # Check for CXSparse library | |
916 | |
917 OCTAVE_CHECK_LIBRARY(cxsparse, CXSparse, | |
918 [CXSparse library not found. This will result in some lack of functionality for sparse matrices.], | |
919 [suitesparse/cs.h ufsparse/cs.h amd/cs.h cs.h], | |
920 [cs_di_sqr], | |
921 [C++], [don't use CXSparse library, disable some sparse functionality]) | |
941 | 922 |
942 # Check for UMFPACK library. | 923 # Check for UMFPACK library. |
943 | 924 |
944 UMFPACK_LIBS= | 925 UMFPACK_LIBS= |
945 AC_SUBST(UMFPACK_LIBS) | 926 AC_SUBST(UMFPACK_LIBS) |
980 AC_MSG_WARN($warn_umfpack) | 961 AC_MSG_WARN($warn_umfpack) |
981 fi | 962 fi |
982 | 963 |
983 AC_SUBST(TEXINFO_UMFPACK) | 964 AC_SUBST(TEXINFO_UMFPACK) |
984 | 965 |
985 COLAMD_LIBS= | |
986 AC_SUBST(COLAMD_LIBS) | |
987 | |
988 AC_ARG_WITH(colamd, | |
989 [AS_HELP_STRING([--without-colamd], | |
990 [don't use COLAMD, disable some sparse functionality])], | |
991 with_colamd=$withval, with_colamd=yes) | |
992 | |
993 warn_colamd="COLAMD not found. This will result in some lack of functionality for sparse matrices." | |
994 if test "$with_colamd" = yes; then | |
995 with_colamd=no | |
996 AC_CHECK_HEADERS([suitesparse/colamd.h ufsparse/colamd.h colamd/colamd.h colamd.h], [ | |
997 AC_CHECK_LIB(colamd, colamd, [COLAMD_LIBS="-lcolamd"; with_colamd=yes]) | |
998 if test "$with_colamd" = yes; then | |
999 AC_DEFINE(HAVE_COLAMD, 1, [Define if the COLAMD library is used.]) | |
1000 TEXINFO_COLAMD="@set HAVE_COLAMD" | |
1001 warn_colamd= | |
1002 fi | |
1003 break]) | |
1004 fi | |
1005 if test -n "$warn_colamd"; then | |
1006 AC_MSG_WARN($warn_colamd) | |
1007 fi | |
1008 | |
1009 AC_SUBST(TEXINFO_COLAMD) | |
1010 | |
1011 CCOLAMD_LIBS= | |
1012 AC_SUBST(CCOLAMD_LIBS) | |
1013 | |
1014 AC_ARG_WITH(ccolamd, | |
1015 [AS_HELP_STRING([--without-ccolamd], | |
1016 [don't use CCOLAMD, disable some sparse functionality])], | |
1017 with_ccolamd=$withval, with_ccolamd=yes) | |
1018 | |
1019 warn_ccolamd="CCOLAMD not found. This will result in some lack of functionality for sparse matrices." | |
1020 if test "$with_ccolamd" = yes; then | |
1021 with_ccolamd=no | |
1022 AC_CHECK_HEADERS([suitesparse/ccolamd.h ufsparse/ccolamd.h ccolamd/ccolamd.h ccolamd.h], [ | |
1023 AC_CHECK_LIB(ccolamd, ccolamd, [CCOLAMD_LIBS="-lccolamd"; with_ccolamd=yes]) | |
1024 if test "$with_ccolamd" = yes; then | |
1025 AC_DEFINE(HAVE_CCOLAMD, 1, [Define if the CCOLAMD library is used.]) | |
1026 warn_ccolamd= | |
1027 fi | |
1028 break]) | |
1029 fi | |
1030 if test -n "$warn_ccolamd"; then | |
1031 AC_MSG_WARN($warn_ccolamd) | |
1032 fi | |
1033 | |
1034 CHOLMOD_LIBS= | |
1035 AC_SUBST(CHOLMOD_LIBS) | |
1036 | |
1037 AC_ARG_WITH(cholmod, | |
1038 [AS_HELP_STRING([--without-cholmod], | |
1039 [don't use CHOLMOD, disable some sparse functionality])], | |
1040 with_cholmod=$withval, with_cholmod=yes) | |
1041 | |
1042 warn_cholmod="CHOLMOD not found. This will result in some lack of functionality for sparse matrices." | |
1043 if test "$with_cholmod" = yes && test "$with_colamd" = yes && | |
1044 test "$with_ccolamd" = yes && test "$with_amd" = yes; then | |
1045 with_cholmod=no | |
1046 AC_CHECK_HEADERS([suitesparse/cholmod.h ufsparse/cholmod.h cholmod/cholmod.h cholmod.h], [ | |
1047 AC_CHECK_LIB(cholmod, cholmod_start, [CHOLMOD_LIBS="-lcholmod"; | |
1048 with_cholmod=yes], [ | |
1049 AC_CHECK_LIB(cholmod, cholmod_start, [CHOLMOD_LIBS="-lcholmod -cblas"; | |
1050 with_cholmod=yes], [], | |
1051 $CAMD_LIBS $AMD_LIBS $COLAMD_LIBS $CCOLAMD_LIBS $BLAS_LIBS $FLIBS)], | |
1052 $CAMD_LIBS $AMD_LIBS $COLAMD_LIBS $CCOLAMD_LIBS $BLAS_LIBS $FLIBS) | |
1053 | |
1054 if test "$with_cholmod" = yes; then | |
1055 AC_DEFINE(HAVE_CHOLMOD, 1, [Define if the CHOLMOD library is used.]) | |
1056 TEXINFO_CHOLMOD="@set HAVE_CHOLMOD" | |
1057 warn_cholmod= | |
1058 fi | |
1059 break]) | |
1060 fi | |
1061 if test -n "$warn_cholmod"; then | |
1062 AC_MSG_WARN($warn_cholmod) | |
1063 fi | |
1064 | |
1065 AC_SUBST(TEXINFO_CHOLMOD) | |
1066 | |
1067 CXSPARSE_LIBS= | |
1068 AC_SUBST(CXSPARSE_LIBS) | |
1069 | |
1070 AC_ARG_WITH(cxsparse, | |
1071 [AS_HELP_STRING([--without-cxsparse], | |
1072 [don't use CXSparse, disable some sparse functionality])], | |
1073 with_cxsparse=$withval, with_cxsparse=yes) | |
1074 | |
1075 warn_cxsparse="CXSparse not found. This will result in some lack of functionality for sparse matrices." | |
1076 if test "$with_cxsparse" = yes; then | |
1077 with_cxsparse=no | |
1078 AC_LANG_PUSH(C++) | |
1079 AC_CHECK_HEADERS([suitesparse/cs.h ufsparse/cs.h cxsparse/cs.h cs.h], [ | |
1080 AC_CHECK_LIB(cxsparse, cs_di_sqr, [CXSPARSE_LIBS="-lcxsparse"; with_cxsparse=yes]) | |
1081 if test "$with_cxsparse" = yes; then | |
1082 AC_DEFINE(HAVE_CXSPARSE, 1, [Define if the CXSparse library is used.]) | |
1083 warn_cxsparse= | |
1084 fi | |
1085 break]) | |
1086 AC_LANG_POP(C++) | |
1087 fi | |
1088 if test -n "$warn_cxsparse"; then | |
1089 AC_MSG_WARN($warn_cxsparse) | |
1090 fi | |
1091 | |
1092 ARPACK_LIBS= | 966 ARPACK_LIBS= |
1093 AC_SUBST(ARPACK_LIBS) | 967 AC_SUBST(ARPACK_LIBS) |
1094 | 968 |
1095 AC_ARG_WITH(arpack, | 969 AC_ARG_WITH(arpack, |
1096 [AS_HELP_STRING([--without-arpack], | 970 [AS_HELP_STRING([--without-arpack], |
1097 [don't use ARPACK, disable some sparse functionality])], | 971 [don't use ARPACK library, disable some sparse functionality])], |
1098 with_arpack=$withval, with_arpack=yes) | 972 with_arpack=$withval, with_arpack=yes) |
1099 | 973 |
1100 warn_arpack="arpack not found. This will result in a lack of the eigs function." | 974 warn_arpack="arpack not found. This will result in a lack of the eigs function." |
1101 if test "$with_arpack" = yes; then | 975 if test "$with_arpack" = yes; then |
1102 with_arpack=no | 976 with_arpack=no |
2126 #define OCTAVE_INT_USE_LONG_DOUBLE | 2000 #define OCTAVE_INT_USE_LONG_DOUBLE |
2127 #endif | 2001 #endif |
2128 | 2002 |
2129 #define OCTAVE_EMPTY_CPP_ARG | 2003 #define OCTAVE_EMPTY_CPP_ARG |
2130 | 2004 |
2005 // Octave is currently unable to use FFTW unless both float | |
2006 // and double versions are both available. | |
2007 #if defined (HAVE_FFTW3) && defined (HAVE_FFTW3F) | |
2008 #define HAVE_FFTW | |
2009 #endif | |
2010 | |
2131 #include "oct-dlldefs.h" | 2011 #include "oct-dlldefs.h" |
2132 #include "oct-types.h" | 2012 #include "oct-types.h" |
2133 ]) | 2013 ]) |
2134 | 2014 |
2135 ### Do the substitutions in all the Makefiles. | 2015 ### Do the substitutions in all the Makefiles. |
2170 C++ compiler: $CXX $XTRA_CXXFLAGS $WARN_CXXFLAGS $CXXFLAGS | 2050 C++ compiler: $CXX $XTRA_CXXFLAGS $WARN_CXXFLAGS $CXXFLAGS |
2171 Fortran compiler: $F77 $FFLAGS | 2051 Fortran compiler: $F77 $FFLAGS |
2172 Fortran libraries: $FLIBS | 2052 Fortran libraries: $FLIBS |
2173 LIBS: $LIBS | 2053 LIBS: $LIBS |
2174 | 2054 |
2055 AMD CPPFLAGS: $AMD_CPPFLAGS | |
2056 AMD LDFLAGS: $AMD_LDFLAGS | |
2175 AMD libraries: $AMD_LIBS | 2057 AMD libraries: $AMD_LIBS |
2176 ARPACK libraries: $ARPACK_LIBS | 2058 ARPACK libraries: $ARPACK_LIBS |
2177 BLAS libraries: $BLAS_LIBS | 2059 BLAS libraries: $BLAS_LIBS |
2060 CAMD CPPFLAGS: $CAMD_CPPFLAGS | |
2061 CAMD LDFLAGS: $CAMD_LDFLAGS | |
2178 CAMD libraries: $CAMD_LIBS | 2062 CAMD libraries: $CAMD_LIBS |
2179 CARBON libraries: $CARBON_LIBS | 2063 CARBON libraries: $CARBON_LIBS |
2064 CCOLAMD CPPFLAGS: $CCOLAMD_CPPFLAGS | |
2065 CCOLAMD LDFLAGS: $CCOLAMD_LDFLAGS | |
2180 CCOLAMD libraries: $CCOLAMD_LIBS | 2066 CCOLAMD libraries: $CCOLAMD_LIBS |
2067 CHOLMOD CPPFLAGS: $CHOLMOD_CPPFLAGS | |
2068 CHOLMOD LDFLAGS: $CHOLMOD_LDFLAGS | |
2181 CHOLMOD libraries: $CHOLMOD_LIBS | 2069 CHOLMOD libraries: $CHOLMOD_LIBS |
2070 COLAMD CPPFLAGS: $COLAMD_CPPFLAGS | |
2071 COLAMD LDFLAGS: $COLAMD_LDFLAGS | |
2182 COLAMD libraries: $COLAMD_LIBS | 2072 COLAMD libraries: $COLAMD_LIBS |
2183 CURL CPPFLAGS: $CURL_CPPFLAGS | 2073 CURL CPPFLAGS: $CURL_CPPFLAGS |
2184 CURL LDFLAGS: $CURL_LDFLAGS | 2074 CURL LDFLAGS: $CURL_LDFLAGS |
2185 CURL libraries: $CURL_LIBS | 2075 CURL libraries: $CURL_LIBS |
2076 CXSPARSE CPPFLAGS: $CXSPARSE_CPPFLAGS | |
2077 CXSPARSE LDFLAGS: $CXSPARSE_LDFLAGS | |
2186 CXSPARSE libraries: $CXSPARSE_LIBS | 2078 CXSPARSE libraries: $CXSPARSE_LIBS |
2187 DL libraries: $DL_LIBS | 2079 DL libraries: $DL_LIBS |
2188 FFTW libraries: $FFTW_LIBS | 2080 FFTW3 CPPFLAGS: $FFTW3_CPPFLAGS |
2081 FFTW3 LDFLAGS: $FFTW3_LDFLAGS | |
2082 FFTW3 libraries: $FFTW3_LIBS | |
2083 FFTW3F CPPFLAGS: $FFTW3F_CPPFLAGS | |
2084 FFTW3F LDFLAGS: $FFTW3F_LDFLAGS | |
2085 FFTW3F libraries: $FFTW3F_LIBS | |
2189 FLTK backend libs: $GRAPHICS_LIBS | 2086 FLTK backend libs: $GRAPHICS_LIBS |
2087 GLPK CPPFLAGS: $GLPK_CPPFLAGS | |
2088 GLPK LDFLAGS: $GLPK_LDFLAGS | |
2190 GLPK libraries: $GLPK_LIBS | 2089 GLPK libraries: $GLPK_LIBS |
2191 HDF5 libraries: $HDF5_LIBS | 2090 HDF5 libraries: $HDF5_LIBS |
2192 OPENGL libraries: $OPENGL_LIBS | 2091 OPENGL libraries: $OPENGL_LIBS |
2193 PTHREAD flags: $PTHREAD_CFLAGS | 2092 PTHREAD flags: $PTHREAD_CFLAGS |
2194 PTHREAD libraries: $PTHREAD_LIBS | 2093 PTHREAD libraries: $PTHREAD_LIBS |