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Merge bitcoin-core/secp256k1#1084: ci: Add MSVC builds

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49e2acd927 configure: Improve rationale for WERROR_CFLAGS (Tim Ruffing)
8dc4b03341 ci: Add a C++ job that compiles the public headers without -fpermissive (Tim Ruffing)
51f296a46c ci: Run persistent wineserver to speed up wine (Tim Ruffing)
3fb3269c22 ci: Add 32-bit MinGW64 build (Tim Ruffing)
9efc2e5221 ci: Add MSVC builds (Tim Ruffing)
2be6ba0fed configure: Convince autotools to work with MSVC's archiver lib.exe (Tim Ruffing)
bd81f4140a schnorrsig bench: Suppress a stupid warning in MSVC (Tim Ruffing)
09f3d71c51 configure: Add a few CFLAGS for MSVC (Tim Ruffing)
3b4f3d0d46 build: Reject C++ compilers in the preprocessor (Tim Ruffing)
1cc0941414 configure: Don't abort if the compiler does not define __STDC__ (Tim Ruffing)
cca8cbbac8 configure: Output message when checking for valgrind (Tim Ruffing)
1a6be5745f bench: Make benchmarks compile on MSVC (Tim Ruffing)

Pull request description:

ACKs for top commit:
  jonasnick:
    ACK 49e2acd927

Tree-SHA512: 986c498fb218231fff3519167d34a92e11dea6a4383788a9723be105c20578cd483c6b06ba5686c6669e3a02cfeebc29b8e5f1428552ebf4ec67fa7a86957548
This commit is contained in:
Jonas Nick
2022-06-29 15:34:29 +00:00
parent 44c2452fd3 49e2acd927
commit cd47033335
8 changed files with 163 additions and 43 deletions
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56
configure.ac
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@@ -33,14 +33,18 @@ AM_INIT_AUTOMAKE([1.11.2 foreign subdir-objects])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_PROG_CC
if test x"$ac_cv_prog_cc_c89" = x"no"; then
AC_MSG_ERROR([c89 compiler support required])
fi
AM_PROG_AS
AM_PROG_AR
# Clear some cache variables as a workaround for a bug that appears due to a bad
# interaction between AM_PROG_AR and LT_INIT when combining MSVC's archiver lib.exe.
# https://debbugs.gnu.org/cgi/bugreport.cgi?bug=54421
AS_UNSET(ac_cv_prog_AR)
AS_UNSET(ac_cv_prog_ac_ct_AR)
LT_INIT([win32-dll])
PKG_PROG_PKG_CONFIG
build_windows=no
case $host_os in
@@ -87,23 +91,35 @@ esac
#
# TODO We should analogously not touch CPPFLAGS and LDFLAGS but currently there are no issues.
AC_DEFUN([SECP_TRY_APPEND_DEFAULT_CFLAGS], [
# Try to append -Werror=unknown-warning-option to CFLAGS temporarily. Otherwise clang will
# not error out if it gets unknown warning flags and the checks here will always succeed
# no matter if clang knows the flag or not.
SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS="$CFLAGS"
SECP_TRY_APPEND_CFLAGS([-Werror=unknown-warning-option], CFLAGS)
# GCC and compatible (incl. clang)
if test "x$GCC" = "xyes"; then
# Try to append -Werror=unknown-warning-option to CFLAGS temporarily. Otherwise clang will
# not error out if it gets unknown warning flags and the checks here will always succeed
# no matter if clang knows the flag or not.
SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS="$CFLAGS"
SECP_TRY_APPEND_CFLAGS([-Werror=unknown-warning-option], CFLAGS)
SECP_TRY_APPEND_CFLAGS([-std=c89 -pedantic -Wno-long-long -Wnested-externs -Wshadow -Wstrict-prototypes -Wundef], $1) # GCC >= 3.0, -Wlong-long is implied by -pedantic.
SECP_TRY_APPEND_CFLAGS([-Wno-overlength-strings], $1) # GCC >= 4.2, -Woverlength-strings is implied by -pedantic.
SECP_TRY_APPEND_CFLAGS([-Wall], $1) # GCC >= 2.95 and probably many other compilers
SECP_TRY_APPEND_CFLAGS([-Wno-unused-function], $1) # GCC >= 3.0, -Wunused-function is implied by -Wall.
SECP_TRY_APPEND_CFLAGS([-Wextra], $1) # GCC >= 3.4, this is the newer name of -W, which we don't use because older GCCs will warn about unused functions.
SECP_TRY_APPEND_CFLAGS([-Wcast-align], $1) # GCC >= 2.95
SECP_TRY_APPEND_CFLAGS([-Wcast-align=strict], $1) # GCC >= 8.0
SECP_TRY_APPEND_CFLAGS([-Wconditional-uninitialized], $1) # Clang >= 3.0 only
SECP_TRY_APPEND_CFLAGS([-fvisibility=hidden], $1) # GCC >= 4.0
SECP_TRY_APPEND_CFLAGS([-std=c89 -pedantic -Wno-long-long -Wnested-externs -Wshadow -Wstrict-prototypes -Wundef], $1) # GCC >= 3.0, -Wlong-long is implied by -pedantic.
SECP_TRY_APPEND_CFLAGS([-Wno-overlength-strings], $1) # GCC >= 4.2, -Woverlength-strings is implied by -pedantic.
SECP_TRY_APPEND_CFLAGS([-Wall], $1) # GCC >= 2.95 and probably many other compilers
SECP_TRY_APPEND_CFLAGS([-Wno-unused-function], $1) # GCC >= 3.0, -Wunused-function is implied by -Wall.
SECP_TRY_APPEND_CFLAGS([-Wextra], $1) # GCC >= 3.4, this is the newer name of -W, which we don't use because older GCCs will warn about unused functions.
SECP_TRY_APPEND_CFLAGS([-Wcast-align], $1) # GCC >= 2.95
SECP_TRY_APPEND_CFLAGS([-Wcast-align=strict], $1) # GCC >= 8.0
SECP_TRY_APPEND_CFLAGS([-Wconditional-uninitialized], $1) # Clang >= 3.0 only
SECP_TRY_APPEND_CFLAGS([-fvisibility=hidden], $1) # GCC >= 4.0
CFLAGS="$SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS"
CFLAGS="$SECP_TRY_APPEND_DEFAULT_CFLAGS_saved_CFLAGS"
fi
# MSVC
# Assume MSVC if we're building for Windows but not with GCC or compatible;
# libtool makes the same assumption internally.
# Note that "/opt" and "-opt" are equivalent for MSVC; we use "-opt" because "/opt" looks like a path.
if test x"$GCC" != x"yes" && test x"$build_windows" = x"yes"; then
SECP_TRY_APPEND_CFLAGS([-W2 -wd4146], $1) # Moderate warning level, disable warning C4146 "unary minus operator applied to unsigned type, result still unsigned"
SECP_TRY_APPEND_CFLAGS([-external:anglebrackets -external:W0], $1) # Suppress warnings from #include <...> files
fi
])
SECP_TRY_APPEND_DEFAULT_CFLAGS(SECP_CFLAGS)
@@ -326,7 +342,9 @@ if test x"$enable_valgrind" = x"yes"; then
SECP_INCLUDES="$SECP_INCLUDES $VALGRIND_CPPFLAGS"
fi
# Add -Werror and similar flags passed from the outside (for testing, e.g., in CI)
# Add -Werror and similar flags passed from the outside (for testing, e.g., in CI).
# We don't want to set the user variable CFLAGS in CI because this would disable
# autoconf's logic for setting default CFLAGS, which we would like to test in CI.
SECP_CFLAGS="$SECP_CFLAGS $WERROR_CFLAGS"
###