Bug#984083: lasi: ftbfs with GCC-11

[Lukas Märdian <slyon@ubuntu.com>]

Package: lasi
Version: 1.1.0-2
Followup-For: Bug #984083
User: ubuntu-devel@lists.ubuntu.com
Usertags: origin-ubuntu  ubuntu-patch
X-Debbugs-Cc: slyon@ubuntu.com
Control: tags -1 patch

Dear Maintainer,

lasi fails to build from source with GCC-11.
Fix FTFBFS with C++17/GCC-11, by avoiding dynamic exception specification.
GCC 11 defaults to C++17 which does not allow dynamic exception specifications
anymore. Replace "throw(std::runtime_error)" with "noexcept(false)" as described
in https://gcc.gnu.org/gcc-11/porting_to.html

In Ubuntu, the attached patch was applied to achieve the following:

  * Fix FTBFS with C++17/GCC-11 (Closes: #984083)
    + debian/patches/fix-gcc11-throw-ftbfs.patch


Thanks for considering the patch.

Cheers,
  Lukas

-- System Information:
Debian Release: 11.0
  APT prefers impish
  APT policy: (500, 'impish')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.13.0-16-generic (SMP w/4 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN, TAINT_OOT_MODULE
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE=de_DE:en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

diff -Nru lasi-1.1.0/debian/patches/fix-gcc11-throw-ftbfs.patch lasi-1.1.0/debian/patches/fix-gcc11-throw-ftbfs.patch
--- lasi-1.1.0/debian/patches/fix-gcc11-throw-ftbfs.patch	1970-01-01 01:00:00.000000000 +0100
+++ lasi-1.1.0/debian/patches/fix-gcc11-throw-ftbfs.patch	2021-10-15 14:20:05.000000000 +0200
@@ -0,0 +1,22 @@
+Description: Avoid dynamic exception spec, to fix build with C++17 (GCC-11)
+ GCC 11 defaults to C++17 which does not allow dynamic exception
+ specifications anymore. Replace "throw(std::runtime_error)" with
+ "noexcept(false)" as described in https://gcc.gnu.org/gcc-11/porting_to.html
+Author: Lukas Märdian <slyon@ubuntu.com>
+Origin: vendor, Ubuntu
+Bug-Debian: https://bugs.debian.org/984083
+Forwarded: no
+Last-Update: 2021-10-15
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+--- lasi-1.1.0.orig/src/util.h
++++ lasi-1.1.0/src/util.h
+@@ -27,7 +27,7 @@ std::ostream& operator<<(std::ostream&,
+ 
+ /** Converts a freetype return code into an exception.
+  */
+-inline void evalReturnCode(const int errCode, const char* funcName) throw (std::runtime_error) {
++inline void evalReturnCode(const int errCode, const char* funcName) noexcept(false) {
+   if (errCode)
+     throw std::runtime_error(std::string("Error returned from ") + funcName);
+ }
diff -Nru lasi-1.1.0/debian/patches/series lasi-1.1.0/debian/patches/series
--- lasi-1.1.0/debian/patches/series	2014-06-19 13:47:21.000000000 +0200
+++ lasi-1.1.0/debian/patches/series	2021-10-15 14:12:42.000000000 +0200
@@ -1 +1,2 @@
 fix-freetype-ftbfs
+fix-gcc11-throw-ftbfs.patch