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| author | Simon Josefsson <simon@josefsson.org> | 2009-05-20 11:03:59 +0200 |
|---|---|---|
| committer | Simon Josefsson <simon@josefsson.org> | 2009-05-20 11:03:59 +0200 |
| commit | 789c9d820186328e14dc93c32c1a766445ede4f4 (patch) | |
| tree | 641268a774842029293c181e2215a36965376692 | |
| parent | 5965229e8240569a8f942a4f9c4ea779fd77502d (diff) | |
| download | libtasn1-789c9d820186328e14dc93c32c1a766445ede4f4.tar.gz | |
Add --enable-gcc-warnings.
| -rw-r--r-- | NEWS | 1 | ||||
| -rw-r--r-- | configure.ac | 21 |
2 files changed, 19 insertions, 3 deletions
@@ -1,6 +1,7 @@ Version 2.2 (unreleased) - Changed license of libtasn1.pc from GPLv3+ to LGPLv2.1+. Reported by Jeff Cai <Jeff.Cai@Sun.COM>. +- Building with many warning flags now requires --enable-gcc-warnings. Version 2.1 (released 2009-04-17) - Fix compilation failure on platforms that can't generate empty archives, diff --git a/configure.ac b/configure.ac index 91fd29c..7befa74 100644 --- a/configure.ac +++ b/configure.ac @@ -58,8 +58,21 @@ GTK_DOC_CHECK(1.2) gl_INIT lgl_INIT -# Add many warnings, except some... -if test "$GCC" = "yes"; then + +AC_ARG_ENABLE([gcc-warnings], + [AS_HELP_STRING([--enable-gcc-warnings], + [turn on lots of GCC warnings (for developers)])], + [case $enableval in + yes|no) ;; + *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; + esac + gl_gcc_warnings=$enableval], + [gl_gcc_warnings=no] +) + +if test "$gl_gcc_warnings" = yes; then + gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) + nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings nw="$nw -Wc++-compat" # We don't care strongly about C++ compilers nw="$nw -Wtraditional" # Warns on #elif which we use often @@ -73,11 +86,13 @@ if test "$GCC" = "yes"; then nw="$nw -Wunused-macros" # Breaks on bison generated ASN1.c nw="$nw -Wunsafe-loop-optimizations" nw="$nw -Wstrict-overflow" + gl_MANYWARN_ALL_GCC([ws]) gl_MANYWARN_COMPLEMENT(ws, [$ws], [$nw]) for w in $ws; do gl_WARN_ADD([$w]) done + gl_WARN_ADD([-Wno-missing-field-initializers]) gl_WARN_ADD([-Wno-sign-compare]) gl_WARN_ADD([-Wno-pointer-sign]) @@ -107,7 +122,7 @@ AC_MSG_NOTICE([summary of build options: Host type: ${host} Install prefix: ${prefix} Compiler: ${CC} - Warning flags: ${WARN_CFLAGS} + Warning flags: errors: ${WERROR_CFLAGS} warnings: ${WARN_CFLAGS} Library types: Shared=${enable_shared}, Static=${enable_static} Valgrind: ${VALGRIND} Version script: $have_ld_version_script |