mirror of
https://github.com/varun-r-mallya/sysprof.git
synced 2025-12-31 20:36:25 +00:00
29c4ec495f
This is a major redesign a modernization of Sysprof. The core data structures and design are largely the same, but it has been ported to Gtk3 and has lots of additions that should make your profiling experience smoother. Especially for those that are new to profiling. There are some very simple help docs added, but we really need the experts to come in and write some documentation here.
134 lines
4.7 KiB
Plaintext
134 lines
4.7 KiB
Plaintext
# ============================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_compiler_flags_cflags.html
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# ============================================================================
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#
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# SYNOPSIS
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#
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# AX_COMPILER_FLAGS_CFLAGS([VARIABLE], [IS-RELEASE], [EXTRA-BASE-FLAGS], [EXTRA-YES-FLAGS])
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#
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# DESCRIPTION
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#
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# Add warning flags for the C compiler to VARIABLE, which defaults to
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# WARN_CFLAGS. VARIABLE is AC_SUBST-ed by this macro, but must be
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# manually added to the CFLAGS variable for each target in the code base.
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#
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# This macro depends on the environment set up by AX_COMPILER_FLAGS.
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# Specifically, it uses the value of $ax_enable_compile_warnings to decide
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# which flags to enable.
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#
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# LICENSE
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#
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# Copyright (c) 2014, 2015 Philip Withnall <philip@tecnocode.co.uk>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 11
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AC_DEFUN([AX_COMPILER_FLAGS_CFLAGS],[
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AC_REQUIRE([AC_PROG_SED])
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AX_REQUIRE_DEFINED([AX_APPEND_COMPILE_FLAGS])
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AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
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AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG])
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# Variable names
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m4_define(ax_warn_cflags_variable,
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[m4_normalize(ifelse([$1],,[WARN_CFLAGS],[$1]))])
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AC_LANG_PUSH([C])
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# Always pass -Werror=unknown-warning-option to get Clang to fail on bad
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# flags, otherwise they are always appended to the warn_cflags variable, and
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# Clang warns on them for every compilation unit.
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# If this is passed to GCC, it will explode, so the flag must be enabled
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# conditionally.
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AX_CHECK_COMPILE_FLAG([-Werror=unknown-warning-option],[
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ax_compiler_flags_test="-Werror=unknown-warning-option"
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],[
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ax_compiler_flags_test=""
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])
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# Base flags
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AX_APPEND_COMPILE_FLAGS([ dnl
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-fno-strict-aliasing dnl
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$3 dnl
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],ax_warn_cflags_variable,[$ax_compiler_flags_test])
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AS_IF([test "$ax_enable_compile_warnings" != "no"],[
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# "yes" flags
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AX_APPEND_COMPILE_FLAGS([ dnl
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-Wall dnl
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-Wextra dnl
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-Wundef dnl
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-Wnested-externs dnl
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-Wwrite-strings dnl
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-Wpointer-arith dnl
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-Wmissing-declarations dnl
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-Wmissing-prototypes dnl
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-Wstrict-prototypes dnl
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-Wredundant-decls dnl
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-Wno-unused-parameter dnl
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-Wno-missing-field-initializers dnl
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-Wdeclaration-after-statement dnl
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-Wformat=2 dnl
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-Wold-style-definition dnl
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-Wcast-align dnl
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-Wformat-nonliteral dnl
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-Wformat-security dnl
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-Wsign-compare dnl
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-Wstrict-aliasing dnl
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-Wshadow dnl
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-Winline dnl
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-Wpacked dnl
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-Wmissing-format-attribute dnl
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-Wmissing-noreturn dnl
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-Winit-self dnl
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-Wredundant-decls dnl
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-Wmissing-include-dirs dnl
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-Wunused-but-set-variable dnl
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-Warray-bounds dnl
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-Wimplicit-function-declaration dnl
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-Wreturn-type dnl
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-Wswitch-enum dnl
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-Wswitch-default dnl
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$4 dnl
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$5 dnl
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$6 dnl
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$7 dnl
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],ax_warn_cflags_variable,[$ax_compiler_flags_test])
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])
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AS_IF([test "$ax_enable_compile_warnings" = "error"],[
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# "error" flags; -Werror has to be appended unconditionally because
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# it's not possible to test for
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#
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# suggest-attribute=format is disabled because it gives too many false
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# positives
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AX_APPEND_FLAG([-Werror],ax_warn_cflags_variable)
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AX_APPEND_COMPILE_FLAGS([ dnl
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-Wno-suggest-attribute=format dnl
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],ax_warn_cflags_variable,[$ax_compiler_flags_test])
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])
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# In the flags below, when disabling specific flags, always add *both*
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# -Wno-foo and -Wno-error=foo. This fixes the situation where (for example)
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# we enable -Werror, disable a flag, and a build bot passes CFLAGS=-Wall,
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# which effectively turns that flag back on again as an error.
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for flag in $ax_warn_cflags_variable; do
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AS_CASE([$flag],
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[-Wno-*=*],[],
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[-Wno-*],[
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AX_APPEND_COMPILE_FLAGS([-Wno-error=$(AS_ECHO([$flag]) | $SED 's/^-Wno-//')],
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ax_warn_cflags_variable,
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[$ax_compiler_flags_test])
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])
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done
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AC_LANG_POP([C])
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# Substitute the variables
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AC_SUBST(ax_warn_cflags_variable)
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])dnl AX_COMPILER_FLAGS
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