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Diffstat (limited to 'm4/vl_prog_cc_warnings.m4')
-rw-r--r-- | m4/vl_prog_cc_warnings.m4 | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/m4/vl_prog_cc_warnings.m4 b/m4/vl_prog_cc_warnings.m4 deleted file mode 100644 index a4163ca34b456..0000000000000 --- a/m4/vl_prog_cc_warnings.m4 +++ /dev/null @@ -1,128 +0,0 @@ -dnl @synopsis VL_PROG_CC_WARNINGS([ANSI]) -dnl -dnl Enables a high level of warnings for the C compiler. Optionally, -dnl if the first argument is nonempty, turns on flags which enforce and/or -dnl enable proper ANSI C if such are known with the compiler used. -dnl -dnl Currently this macro knows about GCC, Solaris C compiler, -dnl Digital Unix C compiler, C for AIX Compiler, HP-UX C compiler, -dnl IRIX C compiler, NEC SX-5 (Super-UX 10) C compiler, and Cray J90 -dnl (Unicos 10.0.0.8) C compiler. -dnl -dnl @version 1.2 -dnl @author Ville Laurikari <vl@iki.fi> -dnl -AC_DEFUN([VL_PROG_CC_WARNINGS], [ - # Don't override if CFLAGS was already set. - if test -z "$ac_env_CFLAGS_set"; then - ansi=$1 - if test -z "$ansi"; then - msg="for C compiler warning flags" - else - msg="for C compiler warning and ANSI conformance flags" - fi - AC_CACHE_CHECK($msg, vl_cv_prog_cc_warnings, [ - if test -n "$CC"; then - cat > conftest.c <<EOF -int main(int argc, char **argv) { return 0; } -EOF - - dnl GCC - if test "$GCC" = "yes"; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-Wall" - else - vl_cv_prog_cc_warnings="-Wall -ansi -pedantic" - fi - - dnl Most compilers print some kind of a version string with some command - dnl line options (often "-V"). The version string should be checked - dnl before doing a test compilation run with compiler-specific flags. - dnl This is because some compilers (like the Cray compiler) only - dnl produce a warning message for unknown flags instead of returning - dnl an error, resulting in a false positive. Also, compilers may do - dnl erratic things when invoked with flags meant for a different - dnl compiler. - - dnl Solaris C compiler - elif $CC -V 2>&1 | grep -i "WorkShop" > /dev/null 2>&1 && - $CC -c -v -Xc conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-v" - else - vl_cv_prog_cc_warnings="-v -Xc" - fi - - dnl Compaq (formerly Digital Unix) C compiler - elif ($CC -V 2>&1 | grep -i "Digital UNIX Compiler" > /dev/null 2>&1 || - $CC -V 2>&1 | grep -i "Compaq C" > /dev/null 2>&1) && - $CC -c -verbose -w0 -warnprotos -std1 conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-verbose -w0 -warnprotos" - else - vl_cv_prog_cc_warnings="-verbose -w0 -warnprotos -std1" - fi - - dnl C for AIX Compiler - elif $CC 2>&1 | grep -i "C for AIX Compiler" > /dev/null 2>&1 && - $CC -c -qlanglvl=ansi -qinfo=all conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd:nouni:nocnv" - else - vl_cv_prog_cc_warnings="-qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd:nouni:nocnv -qlanglvl=ansi" - fi - - dnl IRIX C compiler - elif $CC -version 2>&1 | grep -i "MIPSpro Compilers" > /dev/null 2>&1 && - $CC -c -fullwarn -ansi -ansiE conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-fullwarn" - else - vl_cv_prog_cc_warnings="-fullwarn -ansi -ansiE" - fi - - dnl HP-UX C compiler - elif what $CC 2>&1 | grep -i "HP C Compiler" > /dev/null 2>&1 && - $CC -c -Aa +w1 conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="+w1" - else - vl_cv_prog_cc_warnings="+w1 -Aa" - fi - - dnl The NEC SX-5 (Super-UX 10) C compiler - elif $CC -V 2>&1 | grep "/SX" > /dev/null 2>&1 && - $CC -c -pvctl[,]fullmsg -Xc conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-pvctl[,]fullmsg" - else - vl_cv_prog_cc_warnings="-pvctl[,]fullmsg -Xc" - fi - - dnl The Cray C compiler (Unicos) - elif $CC -V 2>&1 | grep -i "Cray" > /dev/null 2>&1 && - $CC -c -h msglevel 2 conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-h msglevel 2" - else - vl_cv_prog_cc_warnings="-h msglevel 2 -h conform" - fi - - fi - rm -f conftest.* - fi - if test -n "$vl_cv_prog_cc_warnings"; then - CFLAGS="$CFLAGS $vl_cv_prog_cc_warnings" - else - vl_cv_prog_cc_warnings="unknown" - fi - ]) - fi -])dnl |