[libmicrohttpd] 08/26: configure: changed warning compiler flags

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

commit 6f4d2a44169eb4197febcf754cc5e6ae4a10a6b7
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
AuthorDate: Sat Apr 23 15:04:13 2022 +0300

    configure: changed warning compiler flags
    
    * Removed -Wformat-overflow=2 and -Wformat-truncation=2, '=2' gives only
    false positive warnings.
    * Added -Wformat-security
    * Added -Wmissing-declarations
---
 configure.ac | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 50f3055e..2bd9dda0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -157,12 +157,14 @@ AS_VAR_IF([enable_build_type],["debug"],
     CFLAGS="${user_CFLAGS}"
     MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-Og], [-O0])
     MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-ggdb3], [-g3], [-ggdb], [-g])
-    MHD_CHECK_ADD_CC_CFLAGS([-Wextra -Wdouble-promotion -Wformat=2 
-Wformat-overflow=2 -Wformat-truncation=2], [CFLAGS_ac])
+    MHD_CHECK_ADD_CC_CFLAGS([-Wextra -Wdouble-promotion], [CFLAGS_ac])
+    MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-Wformat=2], [-Wformat])
+    MHD_CHECK_ADD_CC_CFLAGS([-Wformat-overflow -Wformat-truncation 
-Wformat-security -Wformat-signedness], [CFLAGS_ac])
     MHD_CHECK_ADD_CC_CFLAGS([-Wmissing-include-dirs -Wshift-overflow=2 
-Wstringop-overflow=4 -Walloc-zero], [CFLAGS_ac])
     MHD_CHECK_ADD_CC_CFLAGS([-Wduplicated-branches -Wduplicated-cond 
-Wfloat-equal -Wshadow -Wpointer-arith], [CFLAGS_ac])
     MHD_CHECK_ADD_CC_CFLAGS([-Wbad-function-cast -Wcast-qual 
-Wcast-align=strict -Wwrite-strings -Wconversion], [CFLAGS_ac])
     MHD_CHECK_ADD_CC_CFLAGS([-Wjump-misses-init -Wlogical-op 
-Waggregate-return -Wstrict-prototypes], [CFLAGS_ac])
-    MHD_CHECK_ADD_CC_CFLAGS([-Wold-style-definition -Wmissing-prototypes 
-Wformat-security -Wshift-negative-value], [CFLAGS_ac])
+    MHD_CHECK_ADD_CC_CFLAGS([-Wold-style-definition -Wmissing-declarations 
-Wmissing-prototypes -Wshift-negative-value], [CFLAGS_ac])
     CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
     LDFLAGS="${user_LDFLAGS}"
     MHD_CHECK_ADD_CC_LDFLAG([-Wl,--enable-long-section-names], [LDFLAGS_ac])

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