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[build] use fortify flags with "extra-warnings" 

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2967 152afb58-edef-0310-8abb-c4023f1b3aa9
This commit is contained in:
Stefan Bühler 2014-10-16 17:52:10 +00:00
parent 4d55d4ada3
commit c4f214584a
3 changed files with 26 additions and 4 deletions
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1
NEWS
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@ -8,6 +8,7 @@ NEWS
* fix bad shift in conditional netmask ".../0" handling
* add more mime types and a script to generate mime.conf (fixes #2579)
* add support for (Free)BSD extended attributes
* [build] use fortify flags with "extra-warnings"
- 1.4.35 - 2014-03-12
* [network/ssl] fix build error if TLSEXT is disabled

27
configure.ac
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@ -23,6 +23,26 @@ AM_INIT_AUTOMAKE([-Wall -Wno-portability -Wno-override foreign dist-bzip2 tar-us
dnl enable with --enable-silent-rules or make V=0 (needs automake >= 1.11)
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
dnl @synopsis TRY_CFLAGS [compiler flags]
dnl @summary check whether compiler supports given C flags and adds them to CFLAGS
AC_DEFUN([TRY_CFLAGS],
[dnl
AC_MSG_CHECKING([if $CC supports $1])
AC_LANG_PUSH([C])
ac_try_cflags_saved_cflags="${CFLAGS}"
CFLAGS="${CFLAGS} $1"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_RESULT([yes])],
[
AC_MSG_ERROR([no])
CFLAGS="${ac_try_cflags_saved_cflags}"
]
)
AC_LANG_POP([C])
])
dnl Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
@ -394,7 +414,7 @@ if test "$WITH_FAM" != "no"; then
LIBS=$FAM_LIBS
AC_CHECK_FUNCS([FAMNoExists])
LIBS=$OLD_LIBS
if test x$FAM_LIBS = x; then
AC_MSG_ERROR([fam/gamin-headers and/or libs where not found, install them or build with --without-fam])
fi
@ -622,7 +642,8 @@ AM_CONDITIONAL(CHECK_WITH_FASTCGI, test "x$fastcgi_found" = xyes)
dnl check for extra compiler options (warning options)
if test "${GCC}" = "yes"; then
CFLAGS="${CFLAGS} -Wall -W -Wshadow -pedantic -std=gnu99"
TRY_CFLAGS([-Wall -W -Wshadow -pedantic])
TRY_CFLAGS([-std=gnu99])
fi
AC_ARG_ENABLE(extra-warnings,
@ -634,7 +655,7 @@ AC_ARG_ENABLE(extra-warnings,
esac],[extrawarnings=false])
if test x$extrawarnings = xtrue; then
CFLAGS="${CFLAGS} -g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wno-pointer-sign -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -Wformat-security"
TRY_CFLAGS([-g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security])
fi
dnl build version-id

2
src/CMakeLists.txt
View File

@ -34,7 +34,7 @@ IF(CMAKE_COMPILER_IS_GNUCC)
OPTION(BUILD_EXTRA_WARNINGS "extra warnings")
IF(BUILD_EXTRA_WARNINGS)
SET(WARN_FLAGS "-g -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wformat-security -Wl,--as-needed")
SET(WARN_FLAGS "-g -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wcast-align -Winline -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security")
# -Werror -Wbad-function-cast -Wmissing-prototypes
ELSE(BUILD_EXTRA_WARNINGS)
SET(WARN_FLAGS "")