From 7bf0f597b8b0d7d209d856fa106b521ed65678af Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sun, 28 Apr 2019 22:01:40 +0200
Subject: autoconf build: add a PROJ_DB_CACHE_DIR trick to speed-up builds

If the PROJ_DB_CACHE_DIR environment variable is defined, then a
$(PROJ_DB_CACHED_DIR)/proj.db.sql.md5 file is used to determine if
the set of .sql files has changed since the last time. If not then
$(PROJ_DB_CACHED_DIR)/proj.db is directly used.
This can saved a few seconds when doing rebuilds.
This is a poor man equivalent of ccache for generating the database :-)
---
 travis/linux_clang/install.sh | 1 +
 travis/linux_gcc/install.sh   | 1 +
 travis/linux_gcc7/install.sh  | 1 +
 travis/mingw32/install.sh     | 1 +
 travis/osx/install.sh         | 1 +
 5 files changed, 5 insertions(+)

(limited to 'travis')

diff --git a/travis/linux_clang/install.sh b/travis/linux_clang/install.sh
index f4b1ad12..50c02882 100755
--- a/travis/linux_clang/install.sh
+++ b/travis/linux_clang/install.sh
@@ -3,6 +3,7 @@
 set -e
 
 export CCACHE_CPP2=yes
+export PROJ_DB_CACHE_DIR="$HOME/.ccache"
 
 # -fno-use-cxa-atexit is needed to build with -coverage
 CC="ccache clang" CXX="ccache clang++" CFLAGS="-Werror -fsanitize=address -fno-use-cxa-atexit" CXXFLAGS="-Werror -fsanitize=address -fno-use-cxa-atexit" LDFLAGS="-fsanitize=address" ./travis/install.sh
diff --git a/travis/linux_gcc/install.sh b/travis/linux_gcc/install.sh
index ad5caa9c..17f07c56 100755
--- a/travis/linux_gcc/install.sh
+++ b/travis/linux_gcc/install.sh
@@ -3,5 +3,6 @@
 set -e
 
 export CCACHE_CPP2=yes
+export PROJ_DB_CACHE_DIR="$HOME/.ccache"
 
 CC="ccache gcc" CXX="ccache g++" CFLAGS="-std=c89 -Werror" CXXFLAGS="-Werror" ./travis/install.sh
diff --git a/travis/linux_gcc7/install.sh b/travis/linux_gcc7/install.sh
index b957b927..dbd1f076 100755
--- a/travis/linux_gcc7/install.sh
+++ b/travis/linux_gcc7/install.sh
@@ -3,5 +3,6 @@
 set -e
 
 export CCACHE_CPP2=yes
+export PROJ_DB_CACHE_DIR="$HOME/.ccache"
 
 CC="ccache $CC" CXX="ccache $CXX" CFLAGS="-std=c89 -Werror $CFLAGS" CXXFLAGS="-Werror $CXXFLAGS" ./travis/install.sh
diff --git a/travis/mingw32/install.sh b/travis/mingw32/install.sh
index d38f289f..80d591f4 100755
--- a/travis/mingw32/install.sh
+++ b/travis/mingw32/install.sh
@@ -3,6 +3,7 @@
 set -e
 
 export CCACHE_CPP2=yes
+export PROJ_DB_CACHE_DIR="$HOME/.ccache"
 
 # prepare wine environment
 wine64 cmd /c dir
diff --git a/travis/osx/install.sh b/travis/osx/install.sh
index 46bdbb22..4869ee65 100755
--- a/travis/osx/install.sh
+++ b/travis/osx/install.sh
@@ -3,5 +3,6 @@
 set -e
 
 export CCACHE_CPP2=yes
+export PROJ_DB_CACHE_DIR="$HOME/.ccache"
 
 CC="ccache clang" CXX="ccache clang++" CFLAGS="-Werror -O2" CXXFLAGS="-Werror -O2" ./travis/install.sh
-- 
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