mirror of https://github.com/moparisthebest/curl
now compiler warnings are activated for all gcc builds, not only debug ones.
This commit is contained in:
Yang Tse
parent
038542ea3e
commit
4aee6822ca
101
acinclude.m4
101
acinclude.m4
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@ -2635,106 +2635,6 @@ dnl options are only used for debug-builds.
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AC_DEFUN([CURL_CC_DEBUG_OPTS],
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[
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if test "z$ICC" = "z"; then
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CURL_DETECT_ICC
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fi
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if test "$GCC" = "yes"; then
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dnl figure out gcc version!
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AC_MSG_CHECKING([gcc version])
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gccver=`$CC -dumpversion`
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num1=`echo $gccver | cut -d . -f1`
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num2=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
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AC_MSG_RESULT($gccver)
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if test "$ICC" = "yes"; then
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dnl this is icc, not gcc.
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dnl ICC warnings we ignore:
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dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:
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dnl "invalid format string conversion"
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dnl * 279 warns on static conditions in while expressions
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dnl * 981 warns on "operands are evaluated in unspecified order"
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dnl * 1418 "external definition with no prior declaration"
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dnl * 1419 warns on "external declaration in primary source file"
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dnl which we know and do on purpose.
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WARN="-wd279,269,981,1418,1419"
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WARN=""
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dnl if test "$gccnum" -gt "600"; then
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dnl dnl icc 6.0 and older doesn't have the -Wall flag
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dnl WARN="-Wall $WARN"
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dnl fi
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else dnl $ICC = yes
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dnl this is a set of options we believe *ALL* gcc versions support:
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WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes"
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dnl -Wcast-align is a bit too annoying on all gcc versions ;-)
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if test "$gccnum" -ge "207"; then
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dnl gcc 2.7 or later
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WARN="$WARN -Wmissing-declarations"
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fi
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if test "$gccnum" -gt "295"; then
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dnl only if the compiler is newer than 2.95 since we got lots of
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dnl "`_POSIX_C_SOURCE' is not defined" in system headers with
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dnl gcc 2.95.4 on FreeBSD 4.9!
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WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar"
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fi
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if test "$gccnum" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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fi
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if test "$gccnum" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives.
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dnl Also, on gcc 4.0.X it is totally unbearable and complains all
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dnl over making it unusable for generic purposes. Let's not use it.
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if test "$gccnum" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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if test "$gccnum" -ge "304"; then
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# try these on gcc 3.4
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WARN="$WARN -Wdeclaration-after-statement"
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fi
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl Include path, provide a -isystem option for the same dir
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dnl to prevent warnings in those dirs. The -isystem was not very
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dnl reliable on earlier gcc versions.
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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WARN="$WARN $add"
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;;
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esac
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done
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fi dnl $ICC = no
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CFLAGS="$CFLAGS $WARN"
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AC_MSG_NOTICE([Added this set of compiler options: $WARN])
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else dnl $GCC = yes
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AC_MSG_NOTICE([Added no extra compiler options])
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fi dnl $GCC = yes
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dnl strip off optimizer flags
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NEWFLAGS=""
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for flag in $CFLAGS; do
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@ -2748,7 +2648,6 @@ AC_DEFUN([CURL_CC_DEBUG_OPTS],
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esac
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done
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CFLAGS=$NEWFLAGS
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]) # AC-DEFUN
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@ -1865,106 +1865,6 @@ dnl is changed.
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AC_DEFUN([CURL_CC_DEBUG_OPTS],
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[
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if test "z$ICC" = "z"; then
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CURL_DETECT_ICC
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fi
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if test "$GCC" = "yes"; then
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dnl figure out gcc version!
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AC_MSG_CHECKING([gcc version])
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gccver=`$CC -dumpversion`
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num1=`echo $gccver | cut -d . -f1`
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num2=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
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AC_MSG_RESULT($gccver)
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if test "$ICC" = "yes"; then
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dnl this is icc, not gcc.
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dnl ICC warnings we ignore:
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dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:
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dnl "invalid format string conversion"
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dnl * 279 warns on static conditions in while expressions
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dnl * 981 warns on "operands are evaluated in unspecified order"
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dnl * 1418 "external definition with no prior declaration"
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dnl * 1419 warns on "external declaration in primary source file"
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dnl which we know and do on purpose.
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WARN="-wd279,269,981,1418,1419"
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WARN=""
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dnl if test "$gccnum" -gt "600"; then
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dnl dnl icc 6.0 and older doesn't have the -Wall flag
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dnl WARN="-Wall $WARN"
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dnl fi
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else dnl $ICC = yes
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dnl this is a set of options we believe *ALL* gcc versions support:
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WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes"
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dnl -Wcast-align is a bit too annoying on all gcc versions ;-)
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if test "$gccnum" -ge "207"; then
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dnl gcc 2.7 or later
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WARN="$WARN -Wmissing-declarations"
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fi
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if test "$gccnum" -gt "295"; then
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dnl only if the compiler is newer than 2.95 since we got lots of
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dnl "`_POSIX_C_SOURCE' is not defined" in system headers with
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dnl gcc 2.95.4 on FreeBSD 4.9!
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WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar"
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fi
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if test "$gccnum" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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fi
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if test "$gccnum" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives.
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dnl Also, on gcc 4.0.X it is totally unbearable and complains all
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dnl over making it unusable for generic purposes. Let's not use it.
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if test "$gccnum" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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if test "$gccnum" -ge "304"; then
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# try these on gcc 3.4
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WARN="$WARN -Wdeclaration-after-statement"
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fi
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl Include path, provide a -isystem option for the same dir
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dnl to prevent warnings in those dirs. The -isystem was not very
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dnl reliable on earlier gcc versions.
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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WARN="$WARN $add"
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;;
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esac
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done
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fi dnl $ICC = no
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CFLAGS="$CFLAGS $WARN"
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AC_MSG_NOTICE([Added this set of compiler options: $WARN])
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else dnl $GCC = yes
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AC_MSG_NOTICE([Added no extra compiler options])
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fi dnl $GCC = yes
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dnl strip off optimizer flags
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NEWFLAGS=""
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for flag in $CFLAGS; do
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@ -1978,7 +1878,6 @@ AC_DEFUN([CURL_CC_DEBUG_OPTS],
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esac
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done
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CFLAGS=$NEWFLAGS
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])
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@ -140,10 +140,10 @@ m4_defun([AC_LIBTOOL_CXXCPP],[true])
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m4_ifdef([AC_LIBTOOL_F77], [m4_undefine([AC_LIBTOOL_F77])])
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m4_defun([AC_LIBTOOL_F77],[])
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dnl force libtool to build static libraries with PIC on AMD64-linux
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AC_MSG_CHECKING([if arch-OS host is AMD64-linux (to build static libraries with PIC)])
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dnl force libtool to build static libraries with PIC on AMD64-Linux & FreeBSD
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AC_MSG_CHECKING([if arch-OS host is AMD64-Linux/FreeBSD (to build static libraries with PIC)])
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case $host in
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x86_64*linux*)
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x86_64*linux*|amd64*freebsd*|ia64*freebsd*)
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AC_MSG_RESULT([yes])
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with_pic=yes
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;;
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@ -198,9 +198,7 @@ CURL_CHECK_DEF([__INTEL_COMPILER], [], [silent])
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if test "$curl_cv_have_def___INTEL_COMPILER" = "yes"; then
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AC_MSG_RESULT([yes])
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ac_cv_compiler="ICC"
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AC_MSG_CHECKING([compiler version])
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ac_cv_compiler_num="$curl_cv_def___INTEL_COMPILER"
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AC_MSG_RESULT([$ac_cv_compiler_num])
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dnl On unix this compiler uses gcc's header files, so
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dnl we select ANSI C89 dialect plus GNU extensions.
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CPPFLAGS="$CPPFLAGS -std=gnu89"
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@ -259,13 +257,57 @@ if test "$curl_cv_have_def___GNUC__" = "yes" &&
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test "$ac_cv_compiler" = "unknown"; then
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AC_MSG_RESULT([yes])
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ac_cv_compiler="GNUC"
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AC_MSG_CHECKING([compiler version])
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gccver=`$CC -dumpversion`
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gccvhi=`echo $gccver | cut -d . -f1`
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gccvlo=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $gccvhi "*" 100 + $gccvlo) 2>/dev/null`
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ac_cv_compiler_num="$gccnum"
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AC_MSG_RESULT([$ac_cv_compiler_num])
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dnl this is a set of options we believe *ALL* gcc versions support:
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WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes"
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dnl -Wcast-align is a bit too annoying on all gcc versions ;-)
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if test "$ac_cv_compiler_num" -ge "207"; then
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dnl gcc 2.7 or later
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WARN="$WARN -Wmissing-declarations"
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fi
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if test "$ac_cv_compiler_num" -gt "295"; then
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dnl only if the compiler is newer than 2.95 since we got lots of
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dnl "`_POSIX_C_SOURCE' is not defined" in system headers with
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dnl gcc 2.95.4 on FreeBSD 4.9!
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WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar"
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fi
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if test "$ac_cv_compiler_num" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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fi
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if test "$ac_cv_compiler_num" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives.
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dnl Also, on gcc 4.0.X it is totally unbearable and complains all
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dnl over making it unusable for generic purposes. Let's not use it.
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if test "$ac_cv_compiler_num" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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if test "$ac_cv_compiler_num" -ge "304"; then
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# try these on gcc 3.4
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WARN="$WARN -Wdeclaration-after-statement"
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fi
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl Include path, provide a -isystem option for the same dir
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dnl to prevent warnings in those dirs. The -isystem was not very
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dnl reliable on earlier gcc versions.
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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WARN="$WARN $add"
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;;
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esac
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done
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CFLAGS="$CFLAGS $WARN"
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AC_MSG_NOTICE([Added this set of compiler options: $WARN])
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else
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AC_MSG_RESULT([no])
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fi
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50
configure.ac
50
configure.ac
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@ -272,9 +272,7 @@ CURL_CHECK_DEF([__INTEL_COMPILER], [], [silent])
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if test "$curl_cv_have_def___INTEL_COMPILER" = "yes"; then
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AC_MSG_RESULT([yes])
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ac_cv_compiler="ICC"
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AC_MSG_CHECKING([compiler version])
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ac_cv_compiler_num="$curl_cv_def___INTEL_COMPILER"
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AC_MSG_RESULT([$ac_cv_compiler_num])
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dnl On unix this compiler uses gcc's header files, so
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dnl we select ANSI C89 dialect plus GNU extensions.
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CPPFLAGS="$CPPFLAGS -std=gnu89"
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@ -333,13 +331,57 @@ if test "$curl_cv_have_def___GNUC__" = "yes" &&
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test "$ac_cv_compiler" = "unknown"; then
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AC_MSG_RESULT([yes])
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ac_cv_compiler="GNUC"
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AC_MSG_CHECKING([compiler version])
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gccver=`$CC -dumpversion`
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gccvhi=`echo $gccver | cut -d . -f1`
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gccvlo=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $gccvhi "*" 100 + $gccvlo) 2>/dev/null`
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ac_cv_compiler_num="$gccnum"
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AC_MSG_RESULT([$ac_cv_compiler_num])
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dnl this is a set of options we believe *ALL* gcc versions support:
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WARN="-W -Wall -Wwrite-strings -pedantic -Wpointer-arith -Wnested-externs -Winline -Wmissing-prototypes"
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dnl -Wcast-align is a bit too annoying on all gcc versions ;-)
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if test "$ac_cv_compiler_num" -ge "207"; then
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dnl gcc 2.7 or later
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WARN="$WARN -Wmissing-declarations"
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fi
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if test "$ac_cv_compiler_num" -gt "295"; then
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dnl only if the compiler is newer than 2.95 since we got lots of
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dnl "`_POSIX_C_SOURCE' is not defined" in system headers with
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dnl gcc 2.95.4 on FreeBSD 4.9!
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WARN="$WARN -Wundef -Wno-long-long -Wsign-compare -Wshadow -Wno-multichar"
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fi
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if test "$ac_cv_compiler_num" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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fi
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if test "$ac_cv_compiler_num" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives.
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dnl Also, on gcc 4.0.X it is totally unbearable and complains all
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dnl over making it unusable for generic purposes. Let's not use it.
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if test "$ac_cv_compiler_num" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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if test "$ac_cv_compiler_num" -ge "304"; then
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# try these on gcc 3.4
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WARN="$WARN -Wdeclaration-after-statement"
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fi
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl Include path, provide a -isystem option for the same dir
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dnl to prevent warnings in those dirs. The -isystem was not very
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dnl reliable on earlier gcc versions.
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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WARN="$WARN $add"
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;;
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esac
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done
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CFLAGS="$CFLAGS $WARN"
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AC_MSG_NOTICE([Added this set of compiler options: $WARN])
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else
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AC_MSG_RESULT([no])
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fi
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