test cmake pre-fill detections 1

_build.sh

@@ -1019,6 +1019,36 @@ build_single_target() {
  [ "${_CC}" = 'llvm' ] && _CFLAGS_GLOBAL_WPICKY="${_CFLAGS_GLOBAL_WPICKY} -Wassign-enum -Wcomma -Wextra-semi-stmt -Wshift-sign-overflow -Wshorten-64-to-32"
  [ "${_CC}" = 'gcc' ] && _CFLAGS_GLOBAL_WPICKY="${_CFLAGS_GLOBAL_WPICKY} -Walloc-zero -Warith-conversion -Warray-bounds=2 -Wduplicated-branches -Wduplicated-cond -Wformat-overflow=2 -Wformat-truncation=1 -Wformat=2 -Wmissing-parameter-type -Wno-pedantic-ms-format -Wnull-dereference -Wold-style-declaration -Wrestrict -Wshift-negative-value -Wshift-overflow=2 -Wstrict-aliasing=3 -fdelete-null-pointer-checks -ftree-vrp"
 
+ # fast-track well-known auto-detection results to speed up CMake configuration stages:
+ export _CMAKE_HAVE=''
+
+ if true; then
+ # C89 standard headers
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_LIMITS_H=1 -DHAVE_LOCALE_H=1 -DHAVE_STDDEF_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_TIME_H=1"
+
+ # C99 standard headers, available
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1"
+ # POSIX headers, available
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_FCNTL_H=1 -DHAVE_UNISTD_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_TYPES_H=1"
+
+ if [ "${_OS}" = 'win' ]; then
+ # POSIX headers, missing
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_NETDB_H=0 -DHAVE_PWD_H=0 -DHAVE_SYSLOG_H=0 -DHAVE_ARPA_INET_H=0 -DHAVE_NETINET_IN_H=0 -DHAVE_NETINET_IP_H=0 -DHAVE_SYS_SOCKET_H=0"
+ # non-standard headers, missing
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_BYTESWAP_H=0 -DHAVE_ENDIAN_H=0 -DHAVE_SYS_ENDIAN_H=0 -DHAVE_ASM_TYPES_H=0 -DHAVE_LINUX_RTNETLINK_H=0 -DHAVE_LINUX_NETLINK_H=0"
+ # functions, available
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_LOG2=1"
+ # functions, missing
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_ACCEPT4=0 -DHAVE_BSWAP_64=0 -DHAVE_INITGROUPS=0 -DHAVE_MKOSTEMP=0"
+ fi
+
+ if [ "${_OS}" = 'mac' ]; then
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_MACH_ABSOLUTE_TIME=1"
+ else
+ _CMAKE_HAVE="${_CMAKE_HAVE} -DHAVE_MACH_ABSOLUTE_TIME=0"
+ fi
+ fi
+
  # for boringssl
  export _STRIP_BINUTILS=''
  if [ "${_OS}" = 'win' ] && [ "${_CC}" = 'llvm' ]; then

brotli.sh

@@ -17,7 +17,7 @@ _VER="$1"
  rm -r -f "${_PKGDIR:?}" "${_BLDDIR:?}"
 
  # shellcheck disable=SC2086
- cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} \
+ cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_HAVE} \
  '-DBUILD_SHARED_LIBS=OFF' \
  '-DBROTLI_DISABLE_TESTS=ON' \
  "-DCMAKE_C_FLAGS=${_CFLAGS_GLOBAL_CMAKE} ${_CFLAGS_GLOBAL} ${_CPPFLAGS_GLOBAL} ${_LDFLAGS_GLOBAL} ${_LIBS_GLOBAL}"

cares.sh

@@ -17,7 +17,7 @@ _VER="$1"
  rm -r -f "${_PKGDIR:?}" "${_BLDDIR:?}"
 
  # shellcheck disable=SC2086
- cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} \
+ cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_HAVE} \
  '-DCARES_STATIC=ON' \
  '-DCARES_STATIC_PIC=ON' \
  '-DCARES_SHARED=OFF' \

nghttp2.sh

@@ -23,7 +23,7 @@ _VER="$1"
  options="${options} -DOPENSSL_INCLUDE_DIR= -DLIBCARES_INCLUDE_DIR= -DLIBEV_INCLUDE_DIR= -DLIBXML2_INCLUDE_DIR="
 
  # shellcheck disable=SC2086
- cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} ${options} \
+ cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} ${_CMAKE_HAVE} ${options} \
  '-DENABLE_LIB_ONLY=ON' \
  '-DENABLE_STATIC_LIB=ON' \
  '-DENABLE_SHARED_LIB=OFF' \

nghttp3.sh

@@ -19,7 +19,7 @@ _VER="$1"
  CPPFLAGS='-DNDEBUG'
 
  # shellcheck disable=SC2086
- cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} \
+ cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} ${_CMAKE_HAVE} \
  '-DENABLE_LIB_ONLY=ON' \
  '-DENABLE_STATIC_LIB=ON' \
  '-DENABLE_SHARED_LIB=OFF' \

ngtcp2.sh

@@ -55,7 +55,7 @@ _VER="$1"
  fi
 
  # shellcheck disable=SC2086
- cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} ${options} \
+ cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} ${_CMAKE_HAVE} ${options} \
  '-DENABLE_STATIC_LIB=ON' \
  '-DENABLE_SHARED_LIB=OFF' \
  "-DCMAKE_C_FLAGS=${_CFLAGS_GLOBAL_CMAKE} ${_CFLAGS_GLOBAL} ${_CPPFLAGS_GLOBAL} ${CPPFLAGS} ${_LDFLAGS_GLOBAL} ${LDFLAGS} ${_LIBS_GLOBAL} ${LIBS}" \

zstd.sh

@@ -17,7 +17,7 @@ _VER="$1"
  rm -r -f "${_PKGDIR:?}" "${_BLDDIR:?}"
 
  # shellcheck disable=SC2086
- cmake build/cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} \
+ cmake build/cmake -B "${_BLDDIR}" ${_CMAKE_GLOBAL} ${_CMAKE_CXX_GLOBAL} ${_CMAKE_HAVE} \
  '-DZSTD_BUILD_CONTRIB=OFF' \
  '-DZSTD_BUILD_TESTS=OFF' \
  '-DZSTD_LEGACY_SUPPORT=OFF' \