diff options
Diffstat (limited to 'config/lf_warnings.m4')
| -rw-r--r-- | config/lf_warnings.m4 | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/config/lf_warnings.m4 b/config/lf_warnings.m4 index 7bb8b60fc..d40c77f14 100644 --- a/config/lf_warnings.m4 +++ b/config/lf_warnings.m4 @@ -1,4 +1,5 @@ dnl Copyright (C) 1988 Eleftherios Gkioulekas <lf@amath.washington.edu> +dnl Copyright (C) 2009 Free Software Foundation, Inc. dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by @@ -21,7 +22,7 @@ dnl distribution terms that you use for the rest of that program. # -------------------------------------------------------------------------- # Check whether the C++ compiler accepts a certain flag -# If it does it adds the flag to CXXFLAGS +# If it does it adds the flag to lf_CXXFLAGS # If it does not then it returns an error to lf_ok # Usage: # LF_CHECK_CXX_FLAG(-flag1 -flag2 -flag3 ...) @@ -34,18 +35,19 @@ AC_DEFUN([LF_CHECK_CXX_FLAG],[ AC_MSG_CHECKING([whether $CXX accepts $i]) if test -z "`${CXX} $i -c conftest.cc 2>&1`" then - CXXFLAGS="${CXXFLAGS} $i" + lf_CXXFLAGS="${lf_CXXFLAGS} $i" AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi done rm -f conftest.cc conftest.o + AC_SUBST(lf_CXXFLAGS) ]) # -------------------------------------------------------------------------- # Check whether the C compiler accepts a certain flag -# If it does it adds the flag to CFLAGS +# If it does it adds the flag to lf_CFLAGS # If it does not then it returns an error to lf_ok # Usage: # LF_CHECK_CC_FLAG(-flag1 -flag2 -flag3 ...) @@ -58,18 +60,19 @@ AC_DEFUN([LF_CHECK_CC_FLAG],[ AC_MSG_CHECKING([whether $CC accepts $i]) if test -z "`${CC} $i -c conftest.c 2>&1`" then - CFLAGS="${CFLAGS} $i" + lf_CFLAGS="${lf_CFLAGS} $i" AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi done rm -f conftest.c conftest.o + AC_SUBST(lf_CFLAGS) ]) # -------------------------------------------------------------------------- # Check whether the Fortran compiler accepts a certain flag -# If it does it adds the flag to FFLAGS +# If it does it adds the flag to lf_FFLAGS # If it does not then it returns an error to lf_ok # Usage: # LF_CHECK_F77_FLAG(-flag1 -flag2 -flag3 ...) @@ -87,36 +90,26 @@ EOF AC_MSG_CHECKING([whether $F77 accepts $i]) if test -z "`${F77} $i -c conftest.f 2>&1`" then - FFLAGS="${FFLAGS} $i" + lf_FFLAGS="${lf_FFLAGS} $i" AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi done rm -f conftest.f conftest.o + AC_SUBST(lf_FFLAGS) ]) # ---------------------------------------------------------------------- -# Enable compiler warnings. Conditionally enable -Werror. -# Call this command AFTER you have configured ALL your -# compilers. +# Enable compiler warnings. +# Call this command AFTER you have configured ALL your compilers. # ---------------------------------------------------------------------- AC_DEFUN([LF_SET_WARNINGS],[ - lf_warnings_as_errors="" - AC_ARG_ENABLE([warnings-as-errors], - AC_HELP_STRING([--enable-warnings-as-errors], [Treat compiler warnings as errors (no)]), - [case "$enableval" in - (no) ;; - (yes) lf_warnings_as_errors="-Werror" ;; - (*) AC_MSG_ERROR([Invalid argument ($enableval) to --enable-warnings-as-errors]) ;; - esac], - []) - dnl Warnings for the two main compilers dnl add -Wextra when you're got time to fix a bunch of them ;-) - cc_warning_flags="-Wall -Werror-implicit-function-declaration $lf_warnings_as_errors" - cxx_warning_flags="-Wall -Woverloaded-virtual $lf_warnings_as_errors" + cc_warning_flags="-Wall -Werror-implicit-function-declaration" + cxx_warning_flags="-Wall -Woverloaded-virtual" if test -n "${CC}" then LF_CHECK_CC_FLAG($cc_warning_flags) |