From 06c4a8ffd6f714045c3048651d7837d731c636a7 Mon Sep 17 00:00:00 2001
From: Mathieu Bridon <bochecha@daitauha.fr>
Date: Sun, 5 Nov 2017 18:57:16 +0800
Subject: Find libraries with pkgconfig

This is necessary for Flatpak, because Yocto messes with the
/usr/bin/*-config files, and really wants everyone to use pkgconfig.

A fallback is kept to build on platforms which don't have pkgconfig for
those libraries.
---
 cmake/FindGCrypt.cmake | 59 +++++---------------------------------------------
 1 file changed, 5 insertions(+), 54 deletions(-)

(limited to 'cmake/FindGCrypt.cmake')

diff --git a/cmake/FindGCrypt.cmake b/cmake/FindGCrypt.cmake
index 250f90c9..94c4c3f4 100644
--- a/cmake/FindGCrypt.cmake
+++ b/cmake/FindGCrypt.cmake
@@ -1,57 +1,8 @@
-set(GCrypt_PKG_CONFIG_NAME gcrypt)
-
-find_program(GCrypt_CONFIG_EXECUTABLE NAMES libgcrypt-config)
-mark_as_advanced(GCrypt_CONFIG_EXECUTABLE)
-find_program(GCrypt_SH_EXECUTABLE NAMES sh)
-mark_as_advanced(GCrypt_SH_EXECUTABLE)
-
-
-if(GCrypt_CONFIG_EXECUTABLE)
-    macro(gcrypt_config_fail errcode)
-        if(${errcode})
-            message(FATAL_ERROR "Error invoking libgcrypt-config: ${errcode}")
-        endif(${errcode})
-    endmacro(gcrypt_config_fail)
-    file(TO_NATIVE_PATH "${GCrypt_CONFIG_EXECUTABLE}" GCrypt_CONFIG_EXECUTABLE)
-    file(TO_NATIVE_PATH "${GCrypt_SH_EXECUTABLE}" GCrypt_SH_EXECUTABLE)
-
-    execute_process(COMMAND "${GCrypt_SH_EXECUTABLE}" "${GCrypt_CONFIG_EXECUTABLE}" --version
-                    OUTPUT_VARIABLE GCrypt_VERSION
-                    RESULT_VARIABLE ERRCODE
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-    gcrypt_config_fail(${ERRCODE})
-
-    execute_process(COMMAND "${GCrypt_SH_EXECUTABLE}" "${GCrypt_CONFIG_EXECUTABLE}" --api-version
-                    OUTPUT_VARIABLE GCrypt_API_VERSION
-                    RESULT_VARIABLE ERRCODE
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-    gcrypt_config_fail(${ERRCODE})
-
-    execute_process(COMMAND "${GCrypt_SH_EXECUTABLE}" "${GCrypt_CONFIG_EXECUTABLE}" --cflags
-                    OUTPUT_VARIABLE GCrypt_CFLAGS
-                    RESULT_VARIABLE ERRCODE
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-    gcrypt_config_fail(${ERRCODE})
-
-    execute_process(COMMAND "${GCrypt_SH_EXECUTABLE}" "${GCrypt_CONFIG_EXECUTABLE}" --libs
-                    OUTPUT_VARIABLE GCrypt_LDFLAGS
-                    RESULT_VARIABLE ERRCODE
-                    OUTPUT_STRIP_TRAILING_WHITESPACE)
-    gcrypt_config_fail(${ERRCODE})
-
-    string(REGEX REPLACE "^(.* |)-l([^ ]*gcrypt[^ ]*)( .*|)$" "\\2" GCrypt_LIBRARY_NAME "${GCrypt_LDFLAGS}")
-    string(REGEX REPLACE "^(.* |)-L([^ ]*)( .*|)$" "\\2" GCrypt_LIBRARY_DIRS "${GCrypt_LDFLAGS}")
-    find_library(GCrypt_LIBRARY ${GCrypt_LIBRARY_NAME} HINTS ${GCrypt_LIBRARY_DIRS})
-    mark_as_advanced(GCrypt_LIBRARY)
-    unset(GCrypt_LIBRARY_NAME)
-    unset(GCrypt_LIBRARY_DIRS)
-
-    if(NOT TARGET gcrypt)
-        add_library(gcrypt INTERFACE IMPORTED)
-        set_property(TARGET gcrypt PROPERTY INTERFACE_LINK_LIBRARIES "${GCrypt_LDFLAGS}")
-        set_property(TARGET gcrypt PROPERTY INTERFACE_COMPILE_OPTIONS "${GCrypt_CFLAGS}")
-    endif(NOT TARGET gcrypt)
-endif(GCrypt_CONFIG_EXECUTABLE)
+include(PkgConfigWithFallbackOnConfigScript)
+find_pkg_config_with_fallback_on_config_script(GCrypt
+    PKG_CONFIG_NAME libgcrypt
+    CONFIG_SCRIPT_NAME libgcrypt
+)
 
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(GCrypt
-- 
cgit v1.2.3-54-g00ecf