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-rw-r--r--autofiles.sums2
-rwxr-xr-xconfigure30
-rw-r--r--configure.ac21
3 files changed, 52 insertions, 1 deletions
diff --git a/autofiles.sums b/autofiles.sums
index 996355c8..4783c18a 100644
--- a/autofiles.sums
+++ b/autofiles.sums
@@ -1,4 +1,4 @@
-1644769c53aa0f44d2957ec4da300da1b184452abbf5bd3c280bcd01958d5c04 configure.ac
+d6ab690ff0a692fae861cf77ede19245aa2e60bff561846085473ad7060df157 configure.ac
35bc5c645dc42d47f2daeea06f8f3e767c8a1aee6a35eb2b4854fd2ce66c3413 m4/ax_random_device.m4
37f8897d5f68d7d484e5457832a8f190ddb7507fa2a467cb7ee2be40a4364643 m4/libtool.m4
e77ebba8361b36f14b4d0927173a034b98c5d05049697a9ded84d85eb99a7990 m4/ltoptions.m4
diff --git a/configure b/configure
index d04727a1..46d367a7 100755
--- a/configure
+++ b/configure
@@ -767,6 +767,7 @@ enable_largefile
enable_ld_version_script
with_buildrules
enable_werror
+enable_int_warnings
enable_test_compare_images
enable_show_failed_test_output
with_docbook_xsl
@@ -1438,6 +1439,8 @@ Optional Features:
--enable-ld-version-script
enable linker version script (default is enabled)
--enable-werror whether to treat warnings as errors (default is no)
+ --enable-int-warnings whether to turn on integer type warnings (default is
+ no)
--enable-test-compare-images
whether to compare images in test suite; disabled by
default, enabling requires ghostscript and tiffcmp
@@ -16683,6 +16686,33 @@ else
$as_echo "no" >&6; }
fi
+if test "$BUILDRULES" = "msvc"; then
+ try_flags="-W3"
+else
+ try_flags="-Wconversion -Wsign-conversion"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for whether to use $try_flags" >&5
+$as_echo_n "checking for whether to use $try_flags... " >&6; }
+# Check whether --enable-int-warnings was given.
+if test "${enable_int_warnings+set}" = set; then :
+ enableval=$enable_int_warnings; if test "$enableval" = "yes"; then
+ qpdf_INT_WARNINGS=1;
+ else
+ qpdf_INT_WARNINGS=0;
+ fi
+else
+ qpdf_INT_WARNINGS=0
+fi
+
+if test "$qpdf_INT_WARNINGS" = "1"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ WFLAGS="$WFLAGS $try_flags"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
# Check whether --enable-test-compare-images was given.
if test "${enable_test_compare_images+set}" = set; then :
diff --git a/configure.ac b/configure.ac
index 75993fdb..13db7395 100644
--- a/configure.ac
+++ b/configure.ac
@@ -392,6 +392,27 @@ else
AC_MSG_RESULT(no)
fi
+if test "$BUILDRULES" = "msvc"; then
+ try_flags="-W3"
+else
+ try_flags="-Wconversion -Wsign-conversion"
+fi
+AC_MSG_CHECKING(for whether to use $try_flags)
+AC_ARG_ENABLE(int-warnings,
+ AS_HELP_STRING([--enable-int-warnings],
+ [whether to turn on integer type warnings (default is no)]),
+ [if test "$enableval" = "yes"; then
+ qpdf_INT_WARNINGS=1;
+ else
+ qpdf_INT_WARNINGS=0;
+ fi], [qpdf_INT_WARNINGS=0])
+if test "$qpdf_INT_WARNINGS" = "1"; then
+ AC_MSG_RESULT(yes)
+ WFLAGS="$WFLAGS $try_flags"
+else
+ AC_MSG_RESULT(no)
+fi
+
AC_SUBST(QPDF_SKIP_TEST_COMPARE_IMAGES)
AC_ARG_ENABLE(test-compare-images,
AS_HELP_STRING([--enable-test-compare-images],