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[libmicrohttpd] 03/21: configure: reordered checks for compiler flags
From: |
gnunet |
Subject: |
[libmicrohttpd] 03/21: configure: reordered checks for compiler flags |
Date: |
Tue, 14 Mar 2023 19:36:48 +0100 |
This is an automated email from the git hooks/post-receive script.
karlson2k pushed a commit to branch master
in repository libmicrohttpd.
commit 23b4be2f66a8f4d67e5ff85228b0fabe87a95290
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Fri Mar 3 11:25:35 2023 +0300
configure: reordered checks for compiler flags
---
configure.ac | 71 +++++++++++++++++++++++++++++++++++++++++-------------------
1 file changed, 49 insertions(+), 22 deletions(-)
diff --git a/configure.ac b/configure.ac
index e224cd88..0787464b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -281,6 +281,7 @@ MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-fno-strict-aliasing],
[-qnoansialias])
# '-qlonglong' is XLC option for C89, not used with C99 or later
MHD_CHECK_ADD_CC_CFLAG([-qlonglong], [CFLAGS_ac])
+# Set basic optimisation flags
AS_VAR_IF([enable_build_type],["neutral"],[],
[ # Any non-neutral build types
AC_CACHE_CHECK([whether workarounds for clang or clang-based compiler are
required],
@@ -298,14 +299,6 @@ choke me now
)
]
)
- MHD_CHECK_ADD_CC_CFLAGS([-Wall -fdelete-null-pointer-checks
-Wnull-dereference], [CFLAGS_ac])
- MHD_CHECK_ADD_CC_CFLAGS([-Wdeclaration-after-statement -Wimplicit
-Wnested-externs], [CFLAGS_ac])
- MHD_CHECK_ADD_CC_CFLAGS([-Wredundant-decls -Wtrampolines
-Wunsafe-loop-optimizations], [CFLAGS_ac])
- MHD_CHECK_ADD_CC_CFLAGS([-Wpoison-system-directories], [CFLAGS_ac])
- CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
- LDFLAGS="${user_LDFLAGS}"
- MHD_CHECK_ADD_CC_LDFLAG([-Wl,--warn-common], [LDFLAGS_ac])
- LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
]
)
AS_CASE([${enable_build_type}],[debug|debugger],
@@ -321,6 +314,53 @@ AS_CASE([${enable_build_type}],[debug|debugger],
],
[MHD_CHECK_ADD_CC_CFLAG([-O0], [CFLAGS_ac])]
)
+ CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
+ ]
+)
+AS_CASE([${enable_build_type}],[release|release-*],
+ [ # All release types
+ AS_VAR_IF([enable_build_type],["release-compact"],
+ [
+ CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
+ AC_CHECK_DECL([MHD_FAVOR_SMALL_CODE],[],
+ [AC_CHECK_DECL([MHD_FAVOR_FAST_CODE],[],
+ [MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-DMHD_FAVOR_SMALL_CODE=1])],
+ [/* no includes */])],[/* no includes */])
+ CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
+ CFLAGS="${user_CFLAGS}"
+ MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-Oz], [-Os], [-O])
+ CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
+ ],
+ [ # All non-compact release types
+ CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
+ AC_CHECK_DECL([MHD_FAVOR_SMALL_CODE],[],
+ [AC_CHECK_DECL([MHD_FAVOR_FAST_CODE],[],
+ [MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-DMHD_FAVOR_FAST_CODE=1])],
+ [/* no includes */])],[/* no includes */])
+ CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
+ CFLAGS="${user_CFLAGS}"
+ MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-O2], [-O])
+ CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
+ ]
+ )
+ ]
+)
+
+AS_VAR_IF([enable_build_type],["neutral"],[],
+ [ # Any non-neutral build types
+ MHD_CHECK_ADD_CC_CFLAGS([-Wall -Wnull-dereference], [CFLAGS_ac])
+ MHD_CHECK_ADD_CC_CFLAGS([-Wdeclaration-after-statement -Wimplicit
-Wnested-externs], [CFLAGS_ac])
+ MHD_CHECK_ADD_CC_CFLAGS([-Wredundant-decls -Wtrampolines
-Wunsafe-loop-optimizations], [CFLAGS_ac])
+ MHD_CHECK_ADD_CC_CFLAGS([-Wpoison-system-directories], [CFLAGS_ac])
+ CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
+ LDFLAGS="${user_LDFLAGS}"
+ MHD_CHECK_ADD_CC_LDFLAG([-Wl,--warn-common], [LDFLAGS_ac])
+ LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
+ ]
+)
+AS_CASE([${enable_build_type}],[debug|debugger],
+ [ # Debug build or build for walking with debugger
+ CFLAGS="${user_CFLAGS}"
MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-ggdb3], [-g3], [-ggdb], [-g])
MHD_CHECK_ADD_CC_CFLAGS([-Wextra -Wdouble-promotion], [CFLAGS_ac])
MHD_FIND_ADD_CC_CFLAG_IFELSE(
@@ -407,21 +447,8 @@ AS_CASE([${enable_build_type}],[release|release-*],
[ # All release types
CFLAGS="${user_CFLAGS}"
AS_VAR_IF([enable_build_type],["release-compact"],
- [
- AC_CHECK_DECL([MHD_FAVOR_SMALL_CODE],[],
- [AC_CHECK_DECL([MHD_FAVOR_FAST_CODE],[],
- [MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-DMHD_FAVOR_SMALL_CODE=1])],
- [/* no includes */])],[/* no includes */])
- CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
- MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-Oz], [-Os], [-O])
- ],
+ [],
[ # All non-compact release types
- AC_CHECK_DECL([MHD_FAVOR_SMALL_CODE],[],
- [AC_CHECK_DECL([MHD_FAVOR_FAST_CODE],[],
- [MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-DMHD_FAVOR_FAST_CODE=1])],
- [/* no includes */])],[/* no includes */])
- CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
- MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-O2], [-O])
MHD_CHECK_ADD_CC_CFLAGS([-fsched-pressure -fira-loop-pressure
-fmerge-all-constants], [CFLAGS_ac]) # These flags may improve size, recheck
with LTO and linker garbage collection
MHD_CHECK_ADD_CC_CFLAGS([-ftree-partial-pre -fgcse-after-reload
-fipa-pta], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-fisolate-erroneous-paths-attribute
-ffinite-loops -floop-nest-optimize], [CFLAGS_ac])
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